Name: Sony SLT-A77VQ Sony DT 16 50mm
Brand: Sony

Technical Specifications of Sony SLT-A77VQ Sony DT 16 50mm

Overall score

6.0

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Popularity

What it is: An indicator based on the number of reviews received by the camera.

When it matters: When you want to see which cameras attract the most buyer attention and review activity.

Sensor & Image

6.6

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Sensor size

What it is: The sensor format value describes the physical light-collecting area.

When it matters: When you shoot in more difficult lighting.

Importance: HIGH

Good value: Full frame or larger

Main camera megapixels

What it is: The effective resolution of the camera sensor, measured in megapixels (MP). A higher resolution can capture more detail.

When it matters: When you want high-resolution photos that allow more cropping or larger prints.

Importance: HIGH

Good value: At least 20 MP

Main camera pixel size

What it is: The physical size of individual pixels on the camera sensor, measured in micrometers. Larger pixels typically capture more light for better low-light performance.

When it matters: When you shoot in low light and want reduced noise in your photos.

Importance: HIGH

Good value: At least 3.5 µm

Base ISO

What it is: The native ISO setting that delivers the sensor’s standard balance of image quality and dynamic range.

When it matters: When you want the best native image quality and compare cameras at their most optimal sensitivity setting.

Importance: LOW

Max ISO

What it is: The ISO ceiling shows the highest sensor sensitivity available for darker scenes.

When it matters: When you shoot in more difficult lighting.

Importance: MEDIUM

Good value: At least ISO 25,600

Photo Features

6.4

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Lens mount

What it is: The mechanical and electronic interface that determines which interchangeable lenses the camera can use.

When it matters: When lens availability, upgrade options, and long-term system compatibility are central to your buying decision.

Importance: LOW

Sony A

Built-in focus motor

What it is: Indicates whether the camera body includes an internal autofocus motor for driving compatible lenses.

When it matters: When you plan to use older or budget lenses that depend on the camera body for autofocus drive.

Importance: LOW

N. of focus points

What it is: The total number of selectable autofocus points available for positioning and tracking focus.

When it matters: When you want more flexibility in placing focus precisely or tracking subjects across the frame.

Importance: HIGH

Good value: At least 200 points

Phase-detection autofocus (photos)

What it is: Autofocus technology that measures phase differences to lock focus quickly and accurately for still photography.

When it matters: When you want faster and more reliable autofocus for still photos, especially with moving subjects.

Importance: HIGH

AF tracking

What it is: An autofocus mode that continuously follows a moving subject to keep it sharp during shooting.

When it matters: When your subjects move unpredictably and you need the camera to keep focus on them automatically.

Importance: MEDIUM

Video & Audio

5.2

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Max video resolution

What it is: The highest video resolution the camera can record, defining the maximum level of captured image detail.

When it matters: When you care about recording the highest level of detail for cropping, editing, or future-proof video work.

Importance: HIGH

Good value: At least 3840 px

Video bitrate

What it is: The amount of video data recorded per second, which affects file size and potential recording quality.

When it matters: When you compare potential video quality and want fewer compression artifacts in demanding scenes.

Importance: MEDIUM

Good value: At least 200 Mbps

Video bit depth

What it is: The number of bits used per color channel in recorded video, affecting gradation smoothness and editing flexibility.

When it matters: When you color grade video and want smoother gradients with fewer banding issues.

Importance: MEDIUM

Good value: At least 10-bit

Video chroma subsampling

What it is: The color sampling format used in video recording, indicating how much color detail is retained relative to brightness detail.

When it matters: When color grading, keying, or serious post-production work is important in your video workflow.

Importance: LOW

Video codecs

What it is: The video compression formats the camera can use when recording, affecting compatibility, efficiency, and workflow.

When it matters: When compatibility, editing performance, and file efficiency matter in the way you handle video.

Importance: LOW

H.264

Display & Design

5.5

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Type

What it is: The camera type identifies the overall design, such as mirrorless, DSLR, compact, or bridge.

When it matters: When you want a camera style that matches how you shoot, carry, and swap lenses.

Importance: LOW

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Weight

What it is: The total weight of the camera body, which affects comfort while carrying and shooting.

When it matters: When you carry the camera all day, travel often, or prefer a lighter setup.

Importance: MEDIUM

Good value: 500 g or less

Width

What it is: The width of the camera body, measured from side to side.

When it matters: When compact packing, grip comfort, or bag fit matters to you.

Importance: LOW

Height

What it is: The height of the camera body, measured from top to bottom.

When it matters: When you care about how compact the camera feels in a bag or in hand.

Importance: LOW

Thickness

What it is: The depth of the device profile, excluding the camera bump unless specified.

When it matters: When you prefer a sleek, slim profile that slides easily into tight pockets.

Importance: LOW

Battery & Power

7.6

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Battery life (CIPA)

What it is: The official battery endurance estimate measured under CIPA test methodology, usually expressed in shots per charge.

When it matters: When you need realistic expectations for how many shots you can take before carrying a spare battery.

Importance: MEDIUM

Good value: At least 400 shots

Battery capacity

What it is: The amount of electric charge the battery can hold, measured in milliampere-hours (mAh).

When it matters: When you want a general idea of how large the battery is physically.

Importance: LOW

Good value: At least 1,500 mAh

Removable battery

What it is: Indicates whether the camera battery can be removed and replaced by the user.

When it matters: When you want to swap batteries quickly during a long shoot or replace an aging battery.

Importance: LOW

USB Power Delivery (PD)

What it is: Support for the USB Power Delivery standard for higher-power charging or external power supply over USB-C.

When it matters: When you want faster USB-C charging or the ability to power the camera externally for longer sessions.

Importance: LOW

Connectivity & Storage

3.2

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Wi-Fi connectivity

What it is: Indicates whether the camera has built-in Wi-Fi for image transfer, remote control, or network features.

When it matters: When you want to transfer photos wirelessly, control the camera from a phone, or use supported network workflows.

Importance: LOW

Wi-Fi version

What it is: The specific generation of Wi-Fi standards supported (e.g., Wi-Fi 6, Wi-Fi 7), determining maximum speed and efficiency.

When it matters: When you have a high-speed router and want faster downloads with less congestion.

Importance: LOW

N/A

Bluetooth connectivity

What it is: Indicates whether the camera supports Bluetooth for pairing, remote control, or file transfer.

When it matters: When you want quick wireless pairing with a phone, remote control, or location syncing.

Importance: LOW

Bluetooth version

What it is: The Bluetooth version supported by the camera for wireless pairing and low-power connections.

When it matters: When you want more efficient wireless pairing, better range, or newer Bluetooth features.

Importance: LOW

N/A

USB Type-C

What it is: A modern, reversible connector used for charging, data transfer, and sometimes audio or video output.

When it matters: When you want a reversible cable that handles charging, data, and accessories universally.

Importance: LOW

Sony SLT-A77VQ Sony DT 16 50mm vs the average camera

Why is Sony SLT-A77VQ Sony DT 16 50mm better than the average camera?

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In-body stabilization
Sony SLT-A77VQ Sony DT 16 50mm supports in-body stabilization, the average camera does not.
What it is: A stabilization system that physically moves the image sensor to reduce shake during handheld shooting.
When it matters: When you often shoot handheld and want sharper results at slower shutter speeds without relying only on lens stabilization.
Importance: MEDIUM
Sony SLT-A77VQ Sony DT 16 50mm supports in-body stabilization, the average camera does not.
Phase-detect AF for photos
Sony SLT-A77VQ Sony DT 16 50mm supports phase-detection autofocus for photos, the average camera does not.
What it is: Autofocus technology that measures phase differences to lock focus quickly and accurately for still photography.
When it matters: When you want faster and more reliable autofocus for still photos, especially with moving subjects.
Importance: HIGH
Sony SLT-A77VQ Sony DT 16 50mm supports phase-detection autofocus for photos, the average camera does not.
6.3 fps faster mechanical burst
Sony SLT-A77VQ Sony DT 16 50mm has a faster mechanical burst rate than the average camera (12 fps vs 5.7 fps). The average camera shoots at 5.7 fps.
What it is: The maximum burst rate the camera can achieve using its mechanical shutter, measured in frames per second.
When it matters: When you photograph sports, wildlife, or action and want more chances to catch the exact moment.
Importance: MEDIUM
Good value: At least 10 fps
Sony SLT-A77VQ Sony DT 16 50mm has a faster mechanical burst rate than the average camera (12 fps vs 5.7 fps). The average camera shoots at 5.7 fps.12 fps vs 5.7 fps
Better viewfinder type
Sony SLT-A77VQ Sony DT 16 50mm uses a more advanced viewfinder than the average camera (electronic vs none).
What it is: The type of viewfinder the camera uses to frame the shot, such as optical, electronic, hybrid, or none.
When it matters: When you strongly prefer the clarity of an optical finder, the preview benefits of an electronic one, or no viewfinder at all.
Importance: MEDIUM
Sony SLT-A77VQ Sony DT 16 50mm uses a more advanced viewfinder than the average camera (electronic vs none).electronic vs none
Has microphone input
Sony SLT-A77VQ Sony DT 16 50mm has microphone input, the average camera does not.
What it is: Indicates whether the camera has a microphone input for connecting an external mic.
When it matters: When you record video and want better audio than the built-in microphones can provide.
Importance: LOW
Sony SLT-A77VQ Sony DT 16 50mm has microphone input, the average camera does not.
8.1 MP higher sensor resolution
Sony SLT-A77VQ Sony DT 16 50mm has a higher sensor resolution than the average camera (24.3 MP vs 16.2 MP). The average camera has a sensor resolution of 16.2 MP.
What it is: The effective resolution of the camera sensor, measured in megapixels (MP). A higher resolution can capture more detail.
When it matters: When you want high-resolution photos that allow more cropping or larger prints.
Importance: HIGH
Good value: At least 20 MP
Sony SLT-A77VQ Sony DT 16 50mm has a higher sensor resolution than the average camera (24.3 MP vs 16.2 MP). The average camera has a sensor resolution of 16.2 MP.24.3 MP vs 16.2 MP
Sensor cleaning system
Sony SLT-A77VQ Sony DT 16 50mm includes a sensor cleaning system, the average camera does not.
Sensor-shift dust reduction.
What it is: A built-in mechanism designed to remove or reduce dust particles from the image sensor surface.
When it matters: When you change lenses often and want to reduce the chance of dust spots appearing on your images.
Importance: LOW
Sony SLT-A77VQ Sony DT 16 50mm includes a sensor cleaning system, the average camera does not.
Phase-detect AF in video
Sony SLT-A77VQ Sony DT 16 50mm supports phase-detection autofocus in video, the average camera does not.
What it is: Phase-detection autofocus support while recording video, helping the camera keep moving subjects sharp.
When it matters: When you record moving subjects and want the camera to refocus smoothly and confidently during video.
Importance: LOW
Sony SLT-A77VQ Sony DT 16 50mm supports phase-detection autofocus in video, the average camera does not.
Better viewfinder type
Sony SLT-A77VQ Sony DT 16 50mm uses a more advanced viewfinder than the average camera (electronic vs none).
39.7% higher magnification
Sony SLT-A77VQ Sony DT 16 50mm has a higher viewfinder magnification than the average camera (1.1x vs 0.78x). The average camera has a viewfinder magnification of 0.78x.
8.1 MP higher sensor resolution
Sony SLT-A77VQ Sony DT 16 50mm has a higher sensor resolution than the average camera (24.3 MP vs 16.2 MP). The average camera has a sensor resolution of 16.2 MP.
Sensor cleaning system
Sony SLT-A77VQ Sony DT 16 50mm includes a sensor cleaning system, the average camera does not.
9600 ISO higher maximum sensitivity limit
Sony SLT-A77VQ Sony DT 16 50mm has a higher max ISO than the average camera (16000 ISO vs 6400 ISO). The average camera reaches a max ISO of 6400 ISO.
0.8 points higher DxOMark Landscape score
Sony SLT-A77VQ Sony DT 16 50mm has a higher DxOMark landscape score than the average camera (13.2 points vs 12.4 points). The average camera scores 12.4 points.
1 points higher DxOMark Portrait score
Sony SLT-A77VQ Sony DT 16 50mm has a higher DxOMark portrait score than the average camera (24 points vs 23 points). The average camera scores 23 points.
0.57 µm larger sensor pixels
Sony SLT-A77VQ Sony DT 16 50mm has larger sensor pixels than the average camera (3.9 µm vs 3.34 µm). The average sensor pixel size is 3.34 µm.
5 points higher DxOMark sensor score
Sony SLT-A77VQ Sony DT 16 50mm has a higher DxOMark sensor score than the average camera (78 points vs 73 points). The average camera has a DxOMark sensor score of 73 points.
In-body stabilization
Sony SLT-A77VQ Sony DT 16 50mm supports in-body stabilization, the average camera does not.
Phase-detect AF for photos
Sony SLT-A77VQ Sony DT 16 50mm supports phase-detection autofocus for photos, the average camera does not.
6.3 fps faster mechanical burst
Sony SLT-A77VQ Sony DT 16 50mm has a faster mechanical burst rate than the average camera (12 fps vs 5.7 fps). The average camera shoots at 5.7 fps.
Built-in AF motor
Sony SLT-A77VQ Sony DT 16 50mm has a built-in focus motor, the average camera does not.
50000 more shutter cycles
Sony SLT-A77VQ Sony DT 16 50mm has a higher shutter durability than the average camera (150000 vs 100000). The average camera is rated for 100000 shutter cycles.
Has microphone input
Sony SLT-A77VQ Sony DT 16 50mm has microphone input, the average camera does not.
Phase-detect AF in video
Sony SLT-A77VQ Sony DT 16 50mm supports phase-detection autofocus in video, the average camera does not.
Supports 24p cinema mode
Sony SLT-A77VQ Sony DT 16 50mm supports 24p cinema mode, the average camera does not. 44% of cameras support this mode.
140 shots more shots per charge
Sony SLT-A77VQ Sony DT 16 50mm has longer battery life than the average camera (470 shots vs 330 shots). The average camera delivers 330 shots per charge.
480 mAh larger battery capacity
Sony SLT-A77VQ Sony DT 16 50mm has a higher battery capacity than the average camera (1600 mAh vs 1120 mAh). The average camera has a battery capacity of 1120 mAh.
Has GPS
Sony SLT-A77VQ Sony DT 16 50mm supports GPS, the average camera does not. 9.8% of cameras support GPS.

Connectivity & Storage

Why is Sony SLT-A77VQ Sony DT 16 50mm worse than the average camera?

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3.29x heavier
Sony SLT-A77VQ Sony DT 16 50mm is heavier than the average camera (1300 g vs 395 g). The average camera weighs 395 g.
30.1 mm taller body
Sony SLT-A77VQ Sony DT 16 50mm is taller than the average camera (104 mm vs 73.9 mm). The average camera has a height of 73.9 mm.
22.7 mm wider
Sony SLT-A77VQ Sony DT 16 50mm is wider than the average camera (142.6 mm vs 119.9 mm). The average camera has a width of 119.9 mm.
34.9 mm thicker
Sony SLT-A77VQ Sony DT 16 50mm is thicker than the average camera (80.9 mm vs 46 mm). The average camera has a thickness of 46 mm.
Lower RAW bit depth
Sony SLT-A77VQ Sony DT 16 50mm supports lower RAW bit depth than the average camera (12-bit vs 14-bit). The average camera supports 14-bit RAW capture.
2 older
Sony SLT-A77VQ Sony DT 16 50mm is older than the average camera (2011 vs 2013). The average camera was released in 2013.
October 2011
Worse low-light autofocus
Sony SLT-A77VQ Sony DT 16 50mm has a worse low-light AF sensitivity than the average camera (-1 EV vs -4 EV). The average camera reaches a low-light AF sensitivity of -4 EV.
0.5 stops lower CIPA stabilization rating
Sony SLT-A77VQ Sony DT 16 50mm has a lower CIPA stabilization rating than the average camera (3.5 stops vs 4 stops). The average camera has a CIPA stabilization rating of 4 stops.
Worse low-light autofocus
Sony SLT-A77VQ Sony DT 16 50mm has a worse low-light AF sensitivity than the average camera (-1 EV vs -4 EV). The average camera reaches a low-light AF sensitivity of -4 EV.
What it is: The lowest light level at which the autofocus system is rated to work reliably.
When it matters: When you shoot in dim environments and need autofocus that still locks confidently after dark.
Importance: MEDIUM
Sony SLT-A77VQ Sony DT 16 50mm has a worse low-light AF sensitivity than the average camera (-1 EV vs -4 EV). The average camera reaches a low-light AF sensitivity of -4 EV.-1 vs -4
3.29x heavier
Sony SLT-A77VQ Sony DT 16 50mm is heavier than the average camera (1300 g vs 395 g). The average camera weighs 395 g.
What it is: The total weight of the camera body, which affects comfort while carrying and shooting.
When it matters: When you carry the camera all day, travel often, or prefer a lighter setup.
Importance: MEDIUM
Good value: 500 g or less
Sony SLT-A77VQ Sony DT 16 50mm is heavier than the average camera (1300 g vs 395 g). The average camera weighs 395 g.1300 g vs 395 g
Lower RAW bit depth
Sony SLT-A77VQ Sony DT 16 50mm supports lower RAW bit depth than the average camera (12-bit vs 14-bit). The average camera supports 14-bit RAW capture.
What it is: The number of bits used to encode color and tonal information in RAW files captured by the camera.
When it matters: When you heavily edit RAW photos and want more tonal information for aggressive adjustments.
Importance: MEDIUM
Good value: At least 14-bit
Sony SLT-A77VQ Sony DT 16 50mm supports lower RAW bit depth than the average camera (12-bit vs 14-bit). The average camera supports 14-bit RAW capture.12-bit vs 14-bit
0.5 stops lower CIPA stabilization rating
Sony SLT-A77VQ Sony DT 16 50mm has a lower CIPA stabilization rating than the average camera (3.5 stops vs 4 stops). The average camera has a CIPA stabilization rating of 4 stops.
What it is: The official stabilization effectiveness rating measured under CIPA standards, usually expressed in stops.
When it matters: When you compare how effective stabilization really is for handheld shooting at slower shutter speeds.
Importance: HIGH
Good value: At least 5 stops
Sony SLT-A77VQ Sony DT 16 50mm has a lower CIPA stabilization rating than the average camera (3.5 stops vs 4 stops). The average camera has a CIPA stabilization rating of 4 stops.3.5 stops vs 4 stops
30.1 mm taller body
Sony SLT-A77VQ Sony DT 16 50mm is taller than the average camera (104 mm vs 73.9 mm). The average camera has a height of 73.9 mm.
What it is: The height of the camera body, measured from top to bottom.
When it matters: When you care about how compact the camera feels in a bag or in hand.
Importance: LOW
Sony SLT-A77VQ Sony DT 16 50mm is taller than the average camera (104 mm vs 73.9 mm). The average camera has a height of 73.9 mm.104 mm vs 73.9 mm
22.7 mm wider
Sony SLT-A77VQ Sony DT 16 50mm is wider than the average camera (142.6 mm vs 119.9 mm). The average camera has a width of 119.9 mm.
What it is: The width of the camera body, measured from side to side.
When it matters: When compact packing, grip comfort, or bag fit matters to you.
Importance: LOW
Sony SLT-A77VQ Sony DT 16 50mm is wider than the average camera (142.6 mm vs 119.9 mm). The average camera has a width of 119.9 mm.142.6 mm vs 119.9 mm
35.7% worse value for money
Sony SLT-A77VQ Sony DT 16 50mm has a worse value-for-money score than the average camera (4.58 vs 6.224).
What it is: An indicator that combines the camera's overall rating with its cost.
When it matters: When you want to know how much overall quality you get for the price.
Sony SLT-A77VQ Sony DT 16 50mm has a worse value-for-money score than the average camera (4.58 vs 6.224).4.58 vs 6.22
6x more expensive
Sony SLT-A77VQ Sony DT 16 50mm is more expensive than the average camera (£1740 vs £290).
Sony SLT-A77VQ Sony DT 16 50mm is more expensive than the average camera (£1740 vs £290).£1,740 vs £290

Expert reviews

photoscala.de

11/10/2011

Summary of the review

Review: Sony Alpha 77 (SLT-A77V) [Updated]

The Sony alpha 77 (SLT-A77V) is an innovative semi-professional APS-C camera that stands out for its unique Single-Lens Translucent (SLT) technology, featuring a fixed, semi-transparent mirror instead of a traditional moving one. This architecture allows the camera to achieve an impressive burst rate of 8 frames per second with continuous phase-detection autofocus and delivers exceptionally fast autofocus performance, clocking an average of 236 ms from infinity to portrait distance. Combined with the kit's DT 16-50mm f/2.8 SSM lens—which provides highly consistent, sharp resolution across the zoom range when stopped down by one click—the system yields punchy, contrast-rich JPEGs ideal for action, press, and amateur photography. The integrated high-resolution electronic viewfinder (EVF) is highly praised for its rich information overlays and its ability to accurately preview final exposure outcomes. However, squeezing a record-breaking 24 megapixels onto a smaller APS-C sensor introduces distinct limitations. While noise control and dynamic range are remarkably stable up to ISO 1600, image quality degrades visibly at higher sensitivities, with rectangular noise reduction artifacts appearing at ISO 12,800 and 16,000. The in-camera JPEG processing applies aggressive sharpening...

videoaktiv.tv

29/08/2011

Summary of the review

Practical Test: Sony Alpha SLT-A77 - First 50p Video Recordings

This review by Joachim Sauer from VIDEOAKTIV evaluates a pre-production model of the Sony Alpha SLT-A77, focusing on its video recording capabilities and handling. A major standout feature is its ability to record Full HD video in the AVCHD format at 50 progressive frames per second (50p). Built with an aluminum chassis, the camera body is splash-proof and well-balanced, which provides excellent stability during handheld shooting. Additionally, the review praises the translucent mirror design that enables continuous phase-detection autofocus to keep fast-moving subjects sharp, as well as the bright, highly accurate OLED viewfinder that allows for effective evaluation of highlights and shadows. The multi-angle, tilt-and-swivel rear display also receives positive marks for its exceptional flexibility when filming from unusual perspectives. On the downside, the camera is described as quite bulky and heavy, even when paired with the standard DT 16-50mm F2.8 SSM lens. Ergonomic issues are noted with the video recording button, which is placed too close to the viewfinder; this setup makes it difficult to press without shaking the camera at the start of a clip, and it leads...

computerbild.de

08/12/2011

Summary of the review

Review: Sony SLT-A77V DSLR Camera

The Sony SLT-A77V (Alpha 77) is a robust "Single Lens Translucent" (SLT) digital camera tailored for ambitious photographers and professionals, utilizing a fixed, semi-transparent mirror that splits light between the autofocus system and the 24.3-megapixel Exmor sensor. It is heavily praised for its unique, high-resolution OLED electronic viewfinder (2.36 million dots) that delivers a clear, bright picture with a 3D digital level, effectively mimicking the clarity of an optical viewfinder while overlaying crucial data. Additional notable strengths include a high-contrast dynamic range, rich color reproduction, an articulate, rotating monitor, and a fully-equipped feature set including built-in GPS, an integrated image stabilizer, and a swift burst shooting speed that clocked in at 8.47 frames per second during testing. Despite earning a "very good" (1.3) rating, the camera exhibits a few design and performance limitations. A prominent drawback tied to its high-resolution sensor is the early onset of visible image noise (graininess) when shooting at higher sensitivities from ISO 3200 and above. Ergonomically, while the camera is generally described as well-thought-out and safe to hold, the physical grip might feel a bit...

slashcam.de

26/10/2011

Summary of the review

Sony SLT Alpha 77 Review: A Lot of Innovation & Some Restrictions

The Sony SLT Alpha 77 stands out for its high-performance video capabilities, spearheaded by a blazing-fast phase-detection autofocus system that eliminates typical focus hunting during movie recording. It provides versatile video format choices, including 1080/50p capture via AVCHD 2.0, alongside a highly detailed 1024x768 electronic viewfinder and a flexible, multi-axis articulating LCD screen. The camera offers robust handling and advanced weather sealing within a durable magnesium alloy body, accompanied by professional video aids like coloured edge peaking for manual focus control. Additionally, users have full access to manual exposure modes (P, A, S, M) when shooting video, and the built-in stereo microphone delivers high-quality onboard audio capture. However, the review highlights several distinct limitations that prevent the camera from achieving top-tier status for filmmaking. In terms of video performance, the sensor crops the field of view during movie recording, making it narrower than its standard APS-C photo layout. Laboratory testing reveals noticeable aliasing artifacts and mediocre sharpness compared to dedicated AVCHD camcorders, alongside slightly hindered low-light sensitivity due to the translucent mirror absorbing some incoming light. The European model also...

digitalkamera.de

16/11/2011

Summary of the review

Review: Sony SLT Alpha 77V

Conversely, the review notes concerns regarding high noise and limited dynamic range due to the high-density sensor, which is further impacted by light loss from the translucent mirror. Additionally, standard kit lenses struggle to resolve the high-resolution sensor, requiring investment in premium glass to achieve maximum image sharpness.

dkamera.de

20. Dezember 2011

Summary of the review

Sony Alpha 77V review conclusion

The Sony Alpha 77V delivers exceptional image quality at low to medium ISO settings thanks to its 24-megapixel CMOS sensor. Up to ISO 400, images show minimal noise and excellent detail reproduction. However, a notable con is its high-ISO performance, which falls behind competitors like the Nikon D7000 above ISO 3,200 due to visible noise and heavy noise-filter smoothing<%!contextual(citationKey="0.1.1", source="""Die JPEG-Bilder werden teilweise stark... Rauschfilter greift sichtbar ein.""", node=1113)/>>. Color accuracy is generally very good, though the red channel shows higher deviations than the other channels. Testing with the SAL-1650 F2.8 SSM kit lens revealed fast autofocus and good sharpness, despite extreme wide-angle distortion that requires in-camera correction. Conversely, the SAL-50 F1.4 lens proved disappointingly soft at maximum aperture with strong chromatic aberrations, requiring photographers to stop down to F2 for improved sharpness.

chip.de

10. Oktober 2011

Summary of the review

Sony Alpha 77 (DSLR over 1,000 euros) Review

High-Performance and Speed The Sony Alpha 77 is a semi-professional APS-C camera that stands out for its high resolution and continuous shooting speed. Equipped with a 24-megapixel CMOS sensor and a Bionz image processor, it achieves a rapid burst rate of 12 frames per second at full resolution, even when shooting in RAW mode. Thanks to its unique "Translucent Mirror" technology, the camera features an immovable mirror that continuously redirects light to the phase-detection autofocus sensor, allowing for uninterrupted tracking autofocus during continuous shooting and Full HD video recording. Key design advantages include a robust, weather-sealed magnesium body, an innovative 3D tilting monitor, built-in GPS, an upper info display, and a highly impressive, high-resolution 2.3-million-dot OLED electronic viewfinder. Image Quality Trade-Offs While the high pixel count delivers exceptional studio sharpness and resolution at lower ISO settings, it brings hardware limitations regarding low-light performance. The main drawback of the Alpha 77 is its high-ISO noise behavior; because 24 million pixels are crowded onto a smaller APS-C sensor, image noise increases visibly starting at ISO 3,200, which causes a noticeable loss of...

lesnumeriques.com

26/08/2011

Summary of the review

Sony Alpha 77 Review

The Sony Alpha 77 (A77) is a pioneering semi-professional camera that replaces the traditional optical viewfinder with an electronic one, utilizing an ultra-precise 1024x768 pixel OLED XGA display. Built around a record-setting 24.3-megapixel APS-C CMOS sensor, it incorporates a translucent mirror design that enables blazing burst speeds of up to 12 frames per second with full continuous autofocus and auto-exposure. Reviewers praised the incredible precision, detail, and 100% field coverage of the OLED viewfinder, alongside the impressive color and gamma performance of the multi-angle 7.5 cm articulating LCD screen. Furthermore, its translucent mirror technology provides a major advantage in video mode, delivering fluid and exceptionally fast phase-detection autofocus during 1080p HDTV recording at 50p or 25p—a feat unmatched by standard DSLR competitors at the time.

01net.com

17/02/2012

Summary of the review

Sony Alpha A77 Review: Beyond the DSLR, the Hyper-DSLR

The Sony Alpha A77 is a highly advanced camera that bridges the gap between traditional DSLRs and electronic viewfinders by using a translucent mirror system. Built with a rugged, weather-sealed magnesium chassis, it features an APS-C sensor that captures massive 24.3-megapixel images. It excels in speed and video, boasting a record-breaking burst rate of 12 frames per second in RAW and crisp Full HD video with effective automatic focus. Users will love the flexible dual-hinge tilting screen, a cleverly designed pop-up flash that prevents shadows, and a rare built-in GPS chip that keeps the shoe mount free for other accessories. However, the camera has a few notable drawbacks that buyers should keep in mind. The high-density sensor creates more noise in low light compared to its rivals, making the image quality drop significantly past ISO 1,600. Its battery life is also shorter because the electronic viewfinder and GPS drain power quickly, yielding only 350 to 450 shots per charge. Finally, the camera sadly only features a single memory card slot, and the cheap 18-55mm starter lens option is too poor...

cuk.ch

17/02/2012

Summary of the review

Getting started with the Sony SLT-A77

The Sony SLT-A77 is an expert-level camera that stands out for its translucent mirror technology, which keeps the phase-detection autofocus sensors continuously illuminated. This unique design allows for an exceptionally fast continuous shooting speed of up to 12 frames per second and an incredibly silent, low-vibration operation compared to traditional DSLRs. The reviewer heavily praises the camera’s exceptionally accurate white balance (inherited from Minolta), its wide dynamic range that smoothly handles highlights on faces, and its highly versatile, multi-angle 3-inch articulated rear screen. Additionally, the camera features an impressive 2.36-megapixel electronic viewfinder (EVF) that provides 100% coverage and rich real-time information, including a dual-axis digital level. However, the camera comes with several notable drawbacks. The sensor's high-resolution 24.3 megapixels on an APS-C crop frame results in visible digital noise at high ISO settings, making its low-light performance weaker than rivals like the Nikon D7000 or full-frame alternatives. While the autofocus is very performant, the camera's buffer quickly fills up during continuous RAW shooting, which restricts its capability during long bursts. Furthermore, enabling the instant image review feature causes an annoying...

alpha-numerique.fr

02/11/2011

Summary of the review

Sony Alpha 77, full review #2: digital noise and protocol errors

summary of the Sony Alpha 77 review: Review Summary This review strongly defends the Sony Alpha 77 against widespread claims from major testing sites like dpreview that its high-density 24-megapixel sensor causes excessive digital noise at high ISO settings. The author argues that these negative assessments stem from a "pixel-peeping" testing flaw, where images are evaluated at a 100% zoom on screens rather than at equivalent print sizes. When using fairer testing protocols like DxOMark—which downsamples images to a standardized size—the Alpha 77 performs identically to the previous generation 16MP Alpha 55. Furthermore, the reviewer exposed a massive exposure discrepancy in dpreview's manual setup, showing they mistakenly shot the Alpha 77 nearly 1 EV darker than its competitor, which mechanically forced a massive increase in visible noise. The review highlights several pros for the camera, notably its exceptional low-ISO image quality packed with fine details, an expert-level body and ergonomics, an excellent electronic viewfinder, and significantly improved dynamic range and color depth. However, a few notable cons are explicitly mentioned: the camera's semi-transparent Translucent mirror design inherently absorbs about 1/2...

lesnumeriques.com

08/07/2015

Summary of the review

Sony Alpha 77 Review - Key Strengths and Performance

The Les Numériques review evaluates the Sony Alpha 77 as a highly successful "SLT" expert camera that shifts away from traditional reflex design by adopting a fixed semi-transparent mirror and an OLED electronic viewfinder. On the positive side, the camera delivers top-tier performance, highlighted by an exceptional burst mode of 12 frames per second at full 24-megapixel resolution and an excellent autofocus system that clocks in under a quarter of a second in good lighting. It is also praised for its weather-sealed construction, highly customizable ergonomics, Full HD video capabilities up to 50 fps with continuous autofocus, and a uniquely versatile rear screen mounted on both a hinge and a rotating ball joint. Additionally, the high-resolution OLED viewfinder is highlighted for its impressive 2500:1 contrast and accurate depth-of-field preview. However, the review points out several notable drawbacks, particularly regarding image sensitivity and interface design. Despite packing a record-setting 24-megapixel APS-C sensor, the fixed mirror diverts part of the incoming light, leading to aggressive software smoothing starting at ISO 3200 and a general regression in low-light sensitivity compared to older 16-megapixel...

camerarace.com

N/A

Summary of the review

Sony SLT-A77 - Review and technical specifications

The CameraRace review of the 24.3-megapixel Sony SLT-A77 rates the translucent-mirror camera a 59, highlighting its 12 fps burst speed, weather-sealed construction, and highly flexible articulated screen as key strengths for sports and landscape photography. Conversely, the analysis notes critical drawbacks, including poor battery life (470 shots), a lack of built-in wireless connectivity, and average overall performance, suggesting it may not be ideal for everyday use compared to modern alternatives.

lesnumeriques.com

20/09/2011

Summary of the review

Sony Alpha 77 Review: The Rebirth of the Advanced DSLR

The Les Numériques review frames the Sony Alpha 77 as a bold revival of Sony's expert camera lineup, departing from traditional DSLRs by adopting a "Single-Lens Translucent" (SLT) design. A major highlight of the camera is its high-density 24-megapixel APS-C sensor and its standout burst shooting speed of 12 frames per second, making it highly competitive for sports and action photography. Additionally, the review strongly praises its advanced Full HD 1080p video mode (offering 50p, 25i, and interlaced alternatives), which stands as one of the device's greatest strengths due to its robust settings and technical flexibility. However, the camera's unique hardware choices introduce clear drawbacks. The most significant flaw highlighted is the complete lack of autofocus during manual video recording, forcing shooters to work around strict automated constraints for video capture. Furthermore, the introduction of a high-definition OLED electronic viewfinder (EVF) instead of a traditional optical reflex viewfinder serves as a point of contention. While Sony implemented a high-magnification ocular and reduced display lag to mitigate traditional EVF weaknesses, it remains an electronic screen that faces skepticism from old-school DSLR...

alpha-numerique.fr

22/04/2014

Summary of the review

Sony Alpha 77: The advanced Translucent DSLR with exceptional performance

Here is a detailed summary of the review for the Sony Alpha 77: Review Summary The Sony Alpha 77 is a highly anticipated expert-level APS-C DSLR that utilizes revolutionary Translucent Mirror Technology, featuring a fixed, semi-transparent mirror that splits light between the image sensor and an overhead autofocus sensor. Built with a robust, weather-resistant magnesium alloy body and a unique three-axis articulating rear LCD screen, the camera introduces a record-breaking 24.3-megapixel Exmor HD CMOS sensor paired with a powerful Bionz processor. Key advantages highlighted in the review include its blazing-fast 12 frames-per-second continuous shooting speed with full-time phase-detection autofocus—making it highly effective for sports and wildlife photography—and a high-resolution XGA OLED electronic viewfinder (EVF) that provides 100% frame coverage and real-time exposure preview. Additionally, the camera excels in video performance by offering Full HD 50p/25p capture with continuous phase-detection autofocus and full manual control. Despite its exceptional performance, the reviewer notes several drawbacks inherent to its design and early firmware limitations. While the Translucent technology allows for rapid firing and video autofocus, the fixed mirror absorbs about 1/3 EV of...

xatakafoto.com

25 Noviembre 2011

Summary of the review

Sony SLT-A77: Our Hands-On Review

The Sony SLT-A77 is an advanced APS-C camera featuring a 24-megapixel CMOS sensor, a durable magnesium and aluminum alloy body, and an innovative electronic viewfinder (EVF) with 100% coverage. Its ergonomic design provides intuitive control layout, three-axis rotating rear screen, and a fast 12 frames-per-second burst mode. The camera delivers prompt autofocus performance and features like focus peaking that make manual focusing seamless. Image quality is excellent at lower ISO settings up to ISO 800, remaining usable up to ISO 3200 with minimal noise management. The video capabilities are also highly competent, offering full manual controls and continuous autofocus at full HD resolution. However, the camera has notable drawbacks, including a slight startup delay and high battery consumption caused by the electronic displays and rapid continuous shooting. The top LCD screen is criticised for being excessively small and failing to display critical settings like ISO or metering modes. While the EVF is highly functional for displaying real-time exposure adjustments, it suffers from a lack of brightness, visible lag, and digital noise in low-light environments. Additionally, tests showed sub-optimal background textures...

juancmmartin.wordpress.com

20/01/2012

Summary of the review

Sony A77, consistency in the DSLR world

of the Sony A77 The Sony A77 is a highly innovative Translucent Mirror (SLT) camera that bridges the gap between traditional DSLRs and mirrorless compact cameras by replacing the moving reflex mirror with a fixed, semi-translucent mirror. Built with a rugged, weather-sealed magnesium alloy chassis, it delivers an impressive 24-megapixel resolution from its APS-C CMOS sensor and features built-in GPS for automatic geolocation. Key advantages highlighted in the review include its highly responsive 19-point phase-detection autofocus system, an exceptionally fast burst shooting rate of up to 12 frames per second, and a remarkably silent shooting operation due to the elimination of the mechanical reflex mirror. Additionally, the high-resolution OLED electronic viewfinder (EVF) and fully articulated 3-inch TFT LCD screen provide full, real-time exposure and settings adjustments prior to taking a shot. Despite its standout performance, the review identifies several limitations to consider before purchasing. Noise management is highly stable and clean up to ISO 1600, and it remains acceptable up to ISO 3200 and 6400. However, pushing the camera past ISO 6400 results in prominent chromatic noise and slight tonal...

dday.it

13/03/2012

Summary of the review

Alpha 77: the super review of the 24-megapixel SLT by DDay.it

The Sony Alpha 77 (A77) is a high-end DSLT camera that utilizes a fixed translucent mirror design to achieve professional-grade speed and autofocus performance. One of its standout pros is the lightning-fast burst shooting, reaching up to 12 frames per second at full 24-megapixel resolution. The autofocus system is equally impressive, remaining active and precise during both high-speed photography and Full HD video recording. Structurally, the camera is built for durability with a sealed magnesium body and features a highly versatile dual-hinged LCD screen and a large OLED electronic viewfinder. However, the A77 faces significant cons regarding image noise and processing. The high-resolution sensor, combined with light loss from the translucent mirror, makes images prone to "video noise," particularly at high ISO settings where the internal JPEG algorithm is criticized for being too aggressive, resulting in a loss of fine detail and a "painting-like" smudged effect. To mitigate this, reviewers suggest shooting in RAW and using external software like Lightroom for better detail retention. Other drawbacks include a limited buffer that fills up in under two seconds during bursts, a...

fotografidigitali.it

16/12/2011

Summary of the review

Sony Alpha A77: Biting off more than it can chew?

The Sony Alpha A77 review examines whether stuffing a 24.3-megapixel resolution onto an APS-C sensor was an overly risky move for Sony. On the positive side, the camera establishes itself as a true prosumer model with excellent build qualities, featuring a dual-dial control system, a highly customisable button layout, good overall ergonomics, an extremely high-definition OLED viewfinder, and an articulating screen. Furthermore, it excels significantly in video capabilities—offering 1080/50p recording, robust image sensor stabilization, and a highly responsive autofocus system during filming—while also delivering a category-leading burst shooting rate of up to 12 frames per second. However, the high pixel density on the APS-C sensor results in noticeable image quality trade-offs, particularly regarding high ISO noise management. At standard high sensitivities like 1600 ISO, 100% crops reveal prominent digital artifacts and an undesirable "watercolor" effect on fine details caused by aggressive processor noise reduction. Performance is also held back by a limited buffer that causes the rapid 12 fps burst rate to drop drastically after just a fraction of a second, resulting in a lengthy 15-second wait to completely clear...

fotocamerapro.it

28/07/2014

Summary of the review

Sony A77 Review, Price, Pros and Cons

The Sony Alpha SLT-A77 is highlighted as a highly advanced mid-range, semi-professional camera that expertly blends cutting-edge technology with intuitive manual controls. Built with a robust, weather-sealed magnesium alloy chassis, it features an innovative fixed Translucent Mirror Technology (TMT) system. This setup enables full-time, ultra-fast phase-detection autofocus alongside a blazing continuous burst mode of up to 12 frames per second. Reviewers strongly praise the camera's high-resolution 2.36-million-dot XGA OLED TruFinder electronic viewfinder (EVF), an exceptionally versatile 3-way tilt-swivel 3-inch LCD screen, and integrated features such as built-in GPS, Auto HDR, SteadyShot inside stabilization, and Full HD video modes. Despite its tech-forward build, the review points out clear limitations concerning image quality and user interface performance. The high-resolution 24.3-megapixel APS-C CMOS sensor suffers from severe digital noise when shooting at high ISO settings. This drawback is compounded by overly aggressive in-camera JPEG processing that smudges fine details, prompting a strong recommendation to shoot exclusively in RAW to maximize the sensor's potential. Additionally, while the autofocus is excellent for basic shooting, it struggles to keep pace with top-tier sports cameras when tracking...

fotografidigitali.it

16/12/2011

Summary of the review

Sony Alpha A77: A step too far?

The Sony Alpha A77 review highlights its excellent ergonomics, highly customizable interface, and solid prosumer-grade magnesium build. The standout feature is its high-resolution electronic OLED viewfinder (EVF), which delivers a realistic and immersive image that easily rivals traditional optical viewfinders. Due to Sony's proprietary SLT (Single-Lens Translucent) technology, the camera provides continuous, high-speed phase-detection autofocus alongside advanced digital overlays, such as a dual-axis digital level and a real-time histogram directly inside the eyepiece. Despite these core strengths, the review notes several firmware-driven and technical performance drawbacks. The system suffers from a frustrating sensor proximity delay when switching views between the LCD and the EVF. Additionally, workflow interruptions occur because the viewfinder stays locked for two seconds during automatic image review and goes completely black with processing warnings during heavy operations like HDR rendering. While recent updates have mitigated some of these responsiveness lags, they still fall short of the instantaneous speed of standard reflex setups. I can provide more information on this camera.

tweakers.net

09/11/2011

Summary of the review

Alpha A77: Sony's speed demon

The Sony Alpha A77 is a high-speed "prosumer" camera featuring a 24.3-megapixel APS-C sensor and Sony’s unique Translucent Mirror technology, which allows for continuous phase-detection autofocus during live view and video recording. A standout feature is the 12fps burst rate, supported by a high-resolution OLED electronic viewfinder that offers a large, high-contrast preview with extensive shooting data. The magnesium alloy body is weather-sealed and includes a highly flexible three-way tilting LCD and a top-panel status display. Additionally, it features built-in GPS for geotagging and sensor-shift image stabilisation that works with older Minolta lenses. Despite its innovations, the A77 suffers from significant performance bottlenecks, including a limited buffer that fills after only 13–18 shots and noticeable startup/switching delays between the LCD and viewfinder. While the high megapixel count provides excellent detail at low ISOs, it leads to heavy noise and loss of detail at ISO 1600 and above, which Sony's aggressive noise reduction attempts to mask with a "muddy" effect. Other drawbacks include shorter battery life compared to traditional DSLR competitors and a proprietary flash shoe that may require adapters for...

focus-review.com

15/02/2012

Summary of the review

Sony DT 16-50 mm f/2.8 SSM (APS-C) Review

The Sony DT 16-50 mm f/2.8 SSM is a robust, relatively compact zoom lens designed specifically for APS-C sensor cameras, providing a 3x zoom range equivalent to 24-75 mm on a full-frame camera. It features an internal Super Sonic Wave motor for fast, silent autofocusing, making it highly suitable for video, while optical image stabilisation relies on the camera body itself. Tested on a 24-megapixel Sony A77, the lens delivers exceptionally high sharpness in the centre, though a drop in resolution is noticeable at the extreme corners—particularly at the 16 mm wide-angle setting—which generally requires stopping down the aperture to resolve. Furthermore, thanks to aggressive in-camera software corrections, distortion and chromatic aberration are effectively non-existent in final JPEG images, although uncorrected RAW files do reveal distinct wide-angle distortion and minor color fringing. The main advantages (pros) of this lens include its great overall optical performance with excellent central sharpness, its solid and durable build quality, and highly minimized distortion and chromatic aberration via camera assistance. On the downside, the primary disadvantages (cons) are its high susceptibility to internal reflections and...

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