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Canon EOS 1DS Mark III Review | 108 Data compared

Avg. price in UK: ~£420
Avg. price in US: ~$600
Sensor size: full frame
Lens mount: Canon EF
Main camera pixel size: 6.4 µm
Weight: 1,385 g
Battery life (CIPA): 1,800 shots

Canon EOS 1DS Mark III review. Compare 108 technical specifications and user reviews to see how it ranks among cameras and if it is worth buying.

5.1

Good

5.1

Good

?

8.1
Professional photography
Score components:
25.0%
9.7
Sensor size
20.0%
6.9
Main camera megapixels
20.0%
10
Dual card slots
15.0%
1.7
N. of focus points
10.0%
10
RAW photo capture
10.0%
10
Phase-detection autofocus (photos)
3.7
Travel
Score components:
35.0%
1.0
Weight
30.0%
10
Battery life (CIPA)
20.0%
1.0
Sensor-shift stabilization
15.0%
1.0
GPS
6.8
Beginners
Score components:
30.0%
8.3
Price
20.0%
1.0
Weight
20.0%
10
AF tracking
20.0%
10
Battery life (CIPA)
10.0%
1.0
Touchscreen
7.6
Landscape photography
Score components:
30.0%
6.9
Main camera megapixels
25.0%
9.7
Sensor size
20.0%
10
Main camera pixel size
15.0%
1.0
Sensor-shift stabilization
10.0%
10
RAW photo capture
2.9
Street photography
Score components:
30.0%
1.0
Weight
25.0%
4.0
Thickness
20.0%
6.7
AF low-light sensitivity
15.0%
1.0
Sensor-shift stabilization
10.0%
1.0
Eye detection AF (human)
6.7
Portraits
Score components:
30.0%
9.7
Sensor size
25.0%
10
Main camera pixel size
20.0%
1.0
Eye detection AF (human)
15.0%
6.9
Main camera megapixels
10.0%
1.0
Sensor-shift stabilization
3.6
Hiking
Score components:
30.0%
1.0
Weight
25.0%
10
Battery life (CIPA)
20.0%
2.8
Min operating temperature
15.0%
1.0
Sensor-shift stabilization
10.0%
1.0
GPS

No image

No image

Best prices in UK

N/A~ £420

Best rankings

#38 in Best Canon DSLR Cameras
#65 in Best Canon EOS Cameras
#81 in Best Canon Digital Cameras
#103 in Best DSLR Cameras
#103 in Best SLR Cameras
#122 in Best Professional Cameras for Photography
#258 in Best Cameras for Landscape Photography
#266 in Best Cameras under £200
#370 in Best Cameras under £300
#520 in Best Cameras
#520 in Best Digital Cameras
#893 in Best Travel Cameras
#896 in Best Cameras for Hiking

Verdict

The Canon EOS-1Ds Mark III is a professional full-frame DSLR featuring a 21.1-megapixel CMOS sensor and dual DIGIC III processors that support 14-bit RAW files and a 5 fps continuous shooting speed. Its robust, weather-sealed magnesium alloy body includes a 3.0-inch LCD with Live View, a 45-point AF system, and dual slots for CF and SD cards. Main pros include its exceptional build durability, high-resolution image quality for studio and landscape work, and a long-lasting battery rated for up to 1,800 shots. However, its primary cons are its substantial weight of approximately 1,210g, limited high-ISO performance above 1600, and a relatively slow frame rate compared to contemporary action-oriented models.

Technical Specifications of Canon EOS 1DS Mark III

Overall score

5.1

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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

6.4

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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

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Photo Features

5.0

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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

Canon EF

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

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Video & Audio

2.4

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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

N/A

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

N/A

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

N/A

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

N/A

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

N/A

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Display & Design

4.6

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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

dslr

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

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Battery & Power

8.9

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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

3.6

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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

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Canon EOS 1DS Mark III vs the average camera

Why is Canon EOS 1DS Mark III better than the average camera?

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Phase-detect AF for photos
Canon EOS 1DS Mark III 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
Canon EOS 1DS Mark III supports phase-detection autofocus for photos, the average camera does not.
3.06 µm larger sensor pixels
Canon EOS 1DS Mark III has larger sensor pixels than the average camera (6.4 µm vs 3.34 µm). The average sensor pixel size is 3.34 µm.
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
Canon EOS 1DS Mark III has larger sensor pixels than the average camera (6.4 µm vs 3.34 µm). The average sensor pixel size is 3.34 µm.6.4 µm vs 3.34 µm
1470 shots more shots per charge
Canon EOS 1DS Mark III has longer battery life than the average camera (1800 shots vs 330 shots). The average camera delivers 330 shots per charge.
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
Canon EOS 1DS Mark III has longer battery life than the average camera (1800 shots vs 330 shots). The average camera delivers 330 shots per charge.1800 shots vs 330 shots
Dual card slots
Canon EOS 1DS Mark III offers dual card slots, the average camera does not. 13.3% of cameras offer them.
1x CF, 1x SD
What it is: Indicates whether the camera offers two memory card slots for backup, overflow, or file separation.
When it matters: When you want backup recording, overflow capacity, or separate file handling for more demanding shoots.
Importance: LOW
Canon EOS 1DS Mark III offers dual card slots, the average camera does not. 13.3% of cameras offer them.
1180 mAh larger battery capacity
Canon EOS 1DS Mark III has a higher battery capacity than the average camera (2300 mAh vs 1120 mAh). The average camera has a battery capacity of 1120 mAh.
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
Canon EOS 1DS Mark III has a higher battery capacity than the average camera (2300 mAh vs 1120 mAh). The average camera has a battery capacity of 1120 mAh.2300 mAh vs 1120 mAh
Sensor cleaning system
Canon EOS 1DS Mark III includes a sensor cleaning system, the average camera does not.
Self-cleaning sensor unit.
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
Canon EOS 1DS Mark III includes a sensor cleaning system, the average camera does not.
Larger sensor
Canon EOS 1DS Mark III has a larger sensor than the average camera (full frame vs APS-C).
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
Canon EOS 1DS Mark III has a larger sensor than the average camera (full frame vs APS-C).full frame vs APS-C
4.9 MP higher sensor resolution
Canon EOS 1DS Mark III has a higher sensor resolution than the average camera (21.1 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
Canon EOS 1DS Mark III has a higher sensor resolution than the average camera (21.1 MP vs 16.2 MP). The average camera has a sensor resolution of 16.2 MP.21.1 MP vs 16.2 MP
Better viewfinder type
Canon EOS 1DS Mark III uses a more advanced viewfinder than the average camera (optical vs none).
3.06 µm larger sensor pixels
Canon EOS 1DS Mark III has larger sensor pixels than the average camera (6.4 µm vs 3.34 µm). The average sensor pixel size is 3.34 µm.
Larger sensor
Canon EOS 1DS Mark III has a larger sensor than the average camera (full frame vs APS-C).
Sensor cleaning system
Canon EOS 1DS Mark III includes a sensor cleaning system, the average camera does not.
4.9 MP higher sensor resolution
Canon EOS 1DS Mark III has a higher sensor resolution than the average camera (21.1 MP vs 16.2 MP). The average camera has a sensor resolution of 16.2 MP.
821 points higher DxOMark Sports score
Canon EOS 1DS Mark III has a higher DxOMark sports score than the average camera (1663 points vs 842 points). The average camera has a DxOMark sports score of 842 points.
1 points higher DxOMark Portrait score
Canon EOS 1DS Mark III has a higher DxOMark portrait score than the average camera (24 points vs 23 points). The average camera scores 23 points.
7 points higher DxOMark sensor score
Canon EOS 1DS Mark III has a higher DxOMark sensor score than the average camera (80 points vs 73 points). The average camera has a DxOMark sensor score of 73 points.
Phase-detect AF for photos
Canon EOS 1DS Mark III supports phase-detection autofocus for photos, the average camera does not.
200000 more shutter cycles
Canon EOS 1DS Mark III has a higher shutter durability than the average camera (300000 vs 100000). The average camera is rated for 100000 shutter cycles.
Lossless compressed RAW
Canon EOS 1DS Mark III supports lossless compressed RAW, while the average camera does not.
1470 shots more shots per charge
Canon EOS 1DS Mark III has longer battery life than the average camera (1800 shots vs 330 shots). The average camera delivers 330 shots per charge.
1180 mAh larger battery capacity
Canon EOS 1DS Mark III has a higher battery capacity than the average camera (2300 mAh vs 1120 mAh). The average camera has a battery capacity of 1120 mAh.
Dual card slots
Canon EOS 1DS Mark III offers dual card slots, the average camera does not. 13.3% of cameras offer them.

Display & Design

Battery & Power

Connectivity & Storage

Why is Canon EOS 1DS Mark III worse than the average camera?

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3.51x heavier
Canon EOS 1DS Mark III is heavier than the average camera (1385 g vs 395 g). The average camera weighs 395 g.
85.7 mm taller body
Canon EOS 1DS Mark III is taller than the average camera (159.6 mm vs 73.9 mm). The average camera has a height of 73.9 mm.
No flash
Canon EOS 1DS Mark III does not have a built-in flash, the average camera does. 73.4% of cameras have a flash.
36.1 mm wider
Canon EOS 1DS Mark III is wider than the average camera (156 mm vs 119.9 mm). The average camera has a width of 119.9 mm.
33.9 mm thicker
Canon EOS 1DS Mark III is thicker than the average camera (79.9 mm vs 46 mm). The average camera has a thickness of 46 mm.
Lacks HDR mode
Canon EOS 1DS Mark III does not support HDR mode, the average camera does. 55.1% of cameras include HDR mode.
4800 ISO lower maximum sensitivity limit
Canon EOS 1DS Mark III has a lower max ISO than the average camera (1600 ISO vs 6400 ISO). The average camera reaches a max ISO of 6400 ISO.
22100 ISO lower extended sensitivity limit
Canon EOS 1DS Mark III has a lower expanded ISO than the average camera (3200 ISO vs 25300 ISO). The average camera reaches an expanded ISO of 25300 ISO.
6 older
Canon EOS 1DS Mark III is older than the average camera (2007 vs 2013). The average camera was released in 2013.
November 2007
0.4 points lower DxOMark Landscape score
Canon EOS 1DS Mark III has a lower DxOMark landscape score than the average camera (12 points vs 12.4 points). The average camera scores 12.4 points.
Worse low-light autofocus
Canon EOS 1DS Mark III 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.
No manual exposure control
Canon EOS 1DS Mark III does not support manual exposure, the average camera does. 72% of cameras support manual exposure controls.
0.7 fps slower mechanical burst
Canon EOS 1DS Mark III has a slower mechanical burst rate than the average camera (5 fps vs 5.7 fps). The average camera shoots at 5.7 fps.
No continuous video AF
Canon EOS 1DS Mark III does not support continuous autofocus in video, the average camera does.
no video recording
1 fewer microphones
Canon EOS 1DS Mark III has fewer microphones than the average camera (1 vs 2). The average camera has 2 microphones.
Monaural microphone for voice memos.
No HDMI output
Canon EOS 1DS Mark III does not support HDMI output, the average camera does. 78.7% of cameras support HDMI output.
Worse low-light autofocus
Canon EOS 1DS Mark III 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
Canon EOS 1DS Mark III 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
3.51x heavier
Canon EOS 1DS Mark III is heavier than the average camera (1385 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
Canon EOS 1DS Mark III is heavier than the average camera (1385 g vs 395 g). The average camera weighs 395 g.1385 g vs 395 g
Lacks HDR mode
Canon EOS 1DS Mark III does not support HDR mode, the average camera does. 55.1% of cameras include HDR mode.
What it is: High Dynamic Range mode for photos, which combines multiple exposures to retain detail in both shadows and highlights.
When it matters: When you take photos in high-contrast scenes, like a bright sky against a dark landscape.
Importance: LOW
Canon EOS 1DS Mark III does not support HDR mode, the average camera does. 55.1% of cameras include HDR mode.
No continuous video AF
Canon EOS 1DS Mark III does not support continuous autofocus in video, the average camera does.
no video recording
What it is: The ability of the camera to keep adjusting focus automatically while video recording is in progress.
When it matters: When you film while subjects or camera distance keep changing and manual refocusing is impractical.
Importance: LOW
Canon EOS 1DS Mark III does not support continuous autofocus in video, the average camera does.
1 fewer microphones
Canon EOS 1DS Mark III has fewer microphones than the average camera (1 vs 2). The average camera has 2 microphones.
Monaural microphone for voice memos.
What it is: The number of built-in microphones used to capture audio while recording video.
When it matters: More built-in microphones can capture broader, clearer sound when you record without an external microphone.
Importance: LOW
Good value: At least 2 microphones
Canon EOS 1DS Mark III has fewer microphones than the average camera (1 vs 2). The average camera has 2 microphones.1 vs 2
4800 ISO lower maximum sensitivity limit
Canon EOS 1DS Mark III has a lower max ISO than the average camera (1600 ISO vs 6400 ISO). The average camera reaches a max ISO of 6400 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
Canon EOS 1DS Mark III has a lower max ISO than the average camera (1600 ISO vs 6400 ISO). The average camera reaches a max ISO of 6400 ISO.1600 ISO vs 6400 ISO
22100 ISO lower extended sensitivity limit
Canon EOS 1DS Mark III has a lower expanded ISO than the average camera (3200 ISO vs 25300 ISO). The average camera reaches an expanded ISO of 25300 ISO.
What it is: The highest extended ISO setting available beyond the standard sensitivity range of the sensor.
When it matters: When you shoot in very dark conditions and want the option to push sensitivity beyond the normal ISO range.
Importance: MEDIUM
Canon EOS 1DS Mark III has a lower expanded ISO than the average camera (3200 ISO vs 25300 ISO). The average camera reaches an expanded ISO of 25300 ISO.3200 ISO vs 25300 ISO
No HDMI output
Canon EOS 1DS Mark III does not support HDMI output, the average camera does. 78.7% of cameras support HDMI output.
What it is: Indicates whether the camera can output video over HDMI to an external monitor or recorder.
When it matters: When you use an external monitor, recorder, or live-production setup.
Importance: LOW
Canon EOS 1DS Mark III does not support HDMI output, the average camera does. 78.7% of cameras support HDMI output.

Display & Design

Connectivity & Storage

Graphic comparison of Canon EOS 1DS Mark III and

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Third-party reviews

What customers like about Canon EOS 1DS Mark III?

High-resolution 21.1-megapixel full-frame sensor providing exceptional sharpness and detail
Professional-grade build quality with robust magnesium alloy body and full weather sealing
Excellent color accuracy and low-noise performance at lower ISO settings
Long battery life, capable of lasting through extensive full-day shoots
Responsive performance with dual DIGIC III processors and fast autofocus system
Reliable dual card slots supporting both CompactFlash and SD cards

What customers dislike about Canon EOS 1DS Mark III?

Heavy and bulky body design, weighing over 1.1kg without a lens
Limited low-light performance with noticeable noise starting above ISO 1600
Slow continuous shooting speed (5 fps) compared to sports-oriented models
Lacks autofocus capabilities during Live View mode
Low-resolution 3.0-inch rear LCD (230,000 dots) compared to competitors of its era
Large file sizes require significant storage space and more computer processing power

Expert reviews

dpreview.com

18/08/2008

Summary of the review

Canon EOS-1Ds Mark III Review - DPReview

The DPReview evaluation of the Canon EOS-1Ds Mark III highlights the camera as a 21.1-megapixel powerhouse featuring dual DIGIC III processors that deliver exceptional detail, robust dynamic range, and a rugged, environmentally sealed body. Key strengths include 5.0 frames-per-second shooting, a 3.0-inch LCD with Live View, and improved, intuitive ergonomics. Conversely, the review notes the high price, the requirement for top-tier lenses to avoid optical issues, and an inherent image softness requiring heavy post-processing. Further drawbacks include a lack of autofocus during Live View, inefficient mirror-up mechanics, and a mixed SD/CF card slot configuration.

the-digital-picture.com

17/12/2008

Summary of the review

Canon EOS-1Ds Mark III Review - The-Digital-Picture.com

The Canon EOS-1Ds Mark III review on The-Digital-Picture.com highlights this DSLR as a top-tier tool for professional photographers seeking extreme image detail. Key advantages include the 21.1-megapixel full-frame sensor, 14-bit processing for superior resolution, a rugged weather-sealed body, and modern features like Live View shooting and AF Microadjustment. Conversely, the review identifies significant downsides, including a very high price tag, substantial body weight, and large file sizes requiring heavy computing power. Furthermore, the camera's shallow 12-frame RAW buffer restricts its effectiveness for high-speed sports, and its high resolution demands high-quality lenses to avoid showing image softness.

trustedreviews.com

03/03/2008

Summary of the review

Canon EOS 1Ds Mark III Review - Trusted Reviews

The Canon EOS 1Ds Mark III is a professional-grade, weather-sealed, 21.1-megapixel full-frame camera designed for studio and landscape photography, according to the Trusted Reviews evaluation. It is recognized for exceptional image sharpness, effective auto white balance, and dual DIGIC 3 processors. Conversely, the camera is limited by a slow 5 frames-per-second, producing large files that fill the buffer, and a heavy, 1,144-gram body. Further limitations include a narrow native ISO 50 to 3,200 range and the lack of modern connectivity.

kenrockwell.com

01/08/2007

Summary of the review

Canon 1Ds Mk III - Ken Rockwell

Ken Rockwell hails the 21-megapixel Canon 1Ds Mk III as a top-tier, full-frame camera for landscapes and still images, offering a rugged, weather-sealed alternative to medium-format systems with a 57-frame JPEG buffer. Key advantages include its robust construction, a 3-inch LCD screen, and a 1/250 flash sync speed, making it suitable for demanding professional field work. Conversely, the review highlights significant drawbacks regarding its clunky ergonomics, mediocre menu system, and a shallow 12-image RAW buffer. Rockwell criticizes its high $8,000 launch price, advising that superior value for most users lies in purchasing a cheaper Canon 5D and investing in better lenses.

philip.greenspun.com

01/10/2008

Summary of the review

Canon EOS 1Ds Mark III Review - Philip Greenspun

The Canon EOS 1Ds Mark III is a high-end, weather-sealed professional digital SLR camera featuring a 21.1-megapixel full-frame CMOS sensor and dual DIGIC III processors, making it a powerful tool for large-format printing. Key advantages highlighted in the review include its exceptional image quality, excellent 14-bit dynamic range, and slightly improved noise control at high ISO settings compared to the Canon 5D. The camera boasts a rapid startup time of 0.15 seconds, a highly responsive interface, a 100% coverage viewfinder, and dual card slots (CF and SD) capable of simultaneous RAW and JPEG recording. Furthermore, its advanced 45-point autofocus system delivers reliable low-light performance down to EV -1, proving highly functional for wildlife photography even at a maximum aperture of f/8. Despite its premium engineering, the camera suffers from significant usability and design drawbacks. At a steep $8,000 price tag, it is a painful 3-pound "monster" without a lens, making it a heavy burden to carry. The review criticizes its overly complex user interface, noting that navigating menus for features like mirror lock-up or setting up second-curtain flash sync is...

photoreview.com.au

02/01/2008

Summary of the review

Canon EOS-1Ds Mark III - Photo Review

The Canon EOS-1Ds Mark III is a professional-grade, high-resolution DSLR featuring a robust, water- and dust-resistant magnesium alloy body and a 300,000-cycle shutter. Its dual DiG!C III processors enable high performance with a 55ms shutter lag and 80ms viewfinder blackout, while offering significantly improved power efficiency. Despite a 5 fps burst rate, the camera is limited by a small buffer, allowing only 10 raw+JPEG shots before slowing down. Detailed findings from the review indicate this makes the camera better suited for high-resolution studio or landscape work rather than sustained, high-speed shooting.

photocrati.com

28/09/2009

Summary of the review

Canon EOS 1Ds Mark III Review: Field Test Report - Photocrati Would you like a list of lenses that were most frequently recommended to pair with this...

The Canon EOS 1Ds Mark III is a highly rugged, full-frame 21.1-megapixel digital SLR camera designed to meet the rigorous demands of professional photography. Built like a workhorse, it features a weather-sealed body, twin Digic III processors, and a durable shutter tested up to 300,000 cycles. It delivers exceptional image quality, accurate exposure, and superb white balance, making it a favorite for studio and professional environments. Additional pros include its dual memory card slots (CF and SD) operating in tandem, an impressive high-capacity battery life, and a highly customizable interface boasting dozens of Custom Functions to tailor exposure and autofocus behavior. However, the camera comes with several notable drawbacks, including its hefty $7,000 price tag and considerable bulk, which makes it tiring to carry for long periods. The interface suffers from a frustrating layout of cluttered buttons that can hinder quick adjustments, along with a small, hard-to-read rear data display. Furthermore, its continuous burst rate is capped at 5 frames per second, which limits its usefulness for sports action photography. Finally, the Live View mode is restricted to manual focusing...

juzaphoto.com

15/11/2007

Summary of the review

Canon EOS 1Ds Mark III Review - JuzaPhoto

The Canon EOS 1Ds Mark III is a flagship professional full-frame DSLR that offers exceptional 21.1-megapixel resolution, making it highly capable for landscape, studio, and detailed macro photography. In comparison to its predecessor, it features massive improvements in its user interface, featuring an intuitive menu system, a dedicated "My Menu" page, and a vibrant 3.0-inch LCD screen equipped with Live View. Built like a tank, the magnesium alloy body features 76 rubber O-rings for robust weather sealing, a shutter rated for 300,000 cycles, and an anti-dust sensor system. Additionally, its upgraded LP-E4 lithium-ion battery vastly improves power management by delivering up to 1,800 shots per charge. However, the camera has notable limitations, particularly when evaluated against newer or competing bodies. While its 5 frames-per-second (FPS) burst rate is an improvement for the 1Ds line, it lags behind the 10 FPS speed of sports-centric models like the 1D Mark III. Its high ISO noise performance shows no real improvement over the older 1Ds Mark II, lagging roughly 1 to 1.5 stops behind the Nikon D3 at identical pixel levels. Furthermore, its...

photoscala.de

15/08/2008

Summary of the review

Professional Full-Frame in Field Test: Canon EOS-1Ds Mk III

The Canon EOS-1Ds Mark III is a robust, professionally constructed full-frame camera that provides an enjoyable shooting experience despite its hefty 1.4-kilogram weight. The camera stands out for its high-resolution 21-megapixel sensor that records data with 14-bit depth, combined with a fast burst rate of 5 frames per second capable of handling intense action or wildlife photography. Key advantages include a significantly improved, long-lasting lithium-ion battery delivering up to 2,500 shots per charge, an automated sensor cleaning system that keeps images mostly dust-free, and a large, clear viewfinder with 100% coverage and 0.76x magnification. Furthermore, its refined menu system removes tedious double-button presses, while the addition of permanent ISO visibility in the viewfinder alongside a dedicated physical button vastly speeds up real-time adjustments.

connect-living.de

09/01/2009

Summary of the review

Canon EOS 1Ds Mark III

The Canon EOS 1Ds Mark III is an expensive, high-end professional DSLR featuring a robust, splash-proof magnesium alloy body and a 21-megapixel full-frame CMOS sensor. Powered by dual Digic-3 processors, it achieves a burst rate of 4.8 frames per second and utilizes an organized 9-tab menu system navigated via a thumbwheel and joystick. Its high-performance autofocus system relies on 19 cross-type sensors and 26 assist sensors, combined with a large optical SLR viewfinder. Furthermore, it boasts exceptional low-ISO image sharpness, strong dynamic range, dual storage slots (one CompactFlash and one SD), and a high-resolution RAW layout alongside space-saving smaller formats. Despite its professional strengths, the review notes several significant drawbacks, particularly when compared to its contemporary sibling, the cheaper EOS 5D Mark II. A major downside is its limited ISO range, which maxes out at only 3200, whereas the 5D Mark II reaches up to ISO 25,600. The 3-inch TFT display is also a weak point, offering just 76,700 RGB pixels—a third of the resolution found on competing models. Additionally, the Live View mode lacks autofocus, forcing photographers to rely...

digitalkamera.de

12/02/2008

Summary of the review

DigitalPhoto Canon EOS-1Ds Mark III

The Falkemedia DigitalPhoto review highlights the Canon EOS-1Ds Mark III as a premier, heavy-duty DSLR featuring a 21.1-megapixel full-frame sensor designed for studio and fashion photography, offering exceptional, medium-format-level image quality within a robust, weather-sealed body. While the camera delivers top-tier image quality, key limitations include a restricted 5 frames-per-second continuous shooting speed, slow buffer clearing due to massive 21.1-megapixel file sizes, and limited burst depth, making it less suitable for high-speed action.

camerarace.com

Non daté

Summary of the review

Canon EOS-1Ds Mark III - Review and Specifications

The CameraRace review of the Canon EOS-1Ds Mark III highlights its exceptional 21.1 MP resolution, providing outstanding color depth and image quality ideal for studio, portrait, and landscape photography. Key strengths include a highly robust, weather-sealed body, excellent battery life of up to 1,800 shots, and a fast shutter mechanism. Conversely, the camera is characterized by a heavy, bulky design that ranks among the lowest in its class for portability and comfort. Its overall versatility is also limited compared to modern standards, with the evaluation highlighting limited utility for fast-paced action photography.

dxomark.fr

Non daté

Summary of the review

Canon EOS 1Ds Mark III - DXOMARK

The DXOMARK review of the Canon EOS 1Ds Mark III evaluates this professional-grade DSLR camera, highlighting its performance via an overall sensor score of 80. Launched in August 2007 for an indicative price of $7,100, the camera features a 21.56 megapixel full-frame CMOS sensor with an image resolution of 5712 x 3774 pixels. The testing data shows notable sub-scores for its era, including a color depth of 24 bits for portraits, a maximum dynamic range of 12 EV for landscapes, and a low-light ISO score of 1663 for sports photography. When placed alongside contemporary flagship bodies like the Canon EOS R3 (score 96), Nikon Z9 (score 98), and Sony A1 (score 98), the 1Ds Mark III showcases how sensor technology has evolved, though it still holds an edge over some later classic bodies like the Canon EOS 5D Mark II (score 79). Pros and Cons based on DXOMARK Specifications Pros: High-quality full-frame CMOS sensor (24 x 36 mm) delivering sharp images. Excellent 14-bit depth per pixel ensuring rich color transitions. Professional mechanical shutter supporting high speeds up to 1/8000s. Integrated...

dxomark.fr

15/08/2010

Summary of the review

Optical measurements and performance of the Canon EOS 1Ds Mark III sensor

The Canon EF 300mm f/2.8L IS USM is a high-performance super-telephoto lens originally launched in July 1999, designed to deliver exceptional image quality and rapid autofocus speeds at its native 300mm focal length. Tested on the Canon EOS 1Ds Mark III, the lens achieves an overall DXOMARK score of 25, delivering an impressive sharpness profile that yields 17 P-Mpix. It is highly regarded as a versatile, portable tool for professional photography, largely due to its built-in 2-stop Image Stabilizer which effectively facilitates hand-held shooting despite its substantial overall weight. The lens presents a robust mix of technical strengths alongside a few optical limitations inherent to its generation. On the positive side, it exhibits remarkable optical control with an exceptionally low distortion rate of just 0.1% and minimal chromatic aberration measured at a mere 3 µm. However, its downsides include a noticeable light transmission loss, metering at 3.3 TStop instead of its theoretical f/2.8 maximum, and a clear vignetting effect of -1 EV. Additionally, while it remains an iconic optics standard, it has since been succeeded by an upgraded version that...

juzaphoto.com

2008-2010

Summary of the review

Canon EOS 1Ds Mark III Review - JuzaPhoto

The Canon EOS 1Ds Mark III, announced in 2007, represents a ruggedly built, weather-sealed professional DSLR that serves as an excellent all-around camera, particularly for landscape, studio, and wildlife photography. A key benefit is its high-resolution 21.1-megapixel full-frame sensor, which provides extreme detail, substantial cropping flexibility, and exceptional image quality comparable to medium-format systems. It provides a clean performance up to ISO 800 (about one stop better than the Canon 40D), offering highly usable results at higher sensitivities when downsampled. Key physical improvements over its predecessor include a lighter magnesium alloy body, a vastly superior and more intuitive user interface, an improved LP-E4 lithium-ion battery delivering 1,800 shots, an anti-dust system, and an autofocus system that remains functional up to f/8. The integration of a 3.0-inch LCD screen with Live View is also highly praised for making macro and landscape framing significantly easier without needing an angle finder.

osservatoriodigitale.it

07/09/2026

Summary of the review

Canon 1Ds Mark III, 21 MP of peace of mind - Osservatorio Digitale

The Canon EOS-1Ds Mark III review by Osservatorio Digitale highlights it as a top-of-the-line full-frame flagship designed to bridge the gap between 35mm DSLRs and medium format systems. Its primary pros center around its groundbreaking 21.1-megapixel CMOS sensor, dual DIGIC III processors, and an upgraded 14-bit A/D conversion that together deliver exceptional, noise-free image quality at standard sensitivities. Key studio-friendly additions include the new Live View functionality with up to 1000% focusing magnification, a 100% coverage viewfinder, dual storage slots (Compact Flash and SDHC), and custom AF micro-adjustments. Performance-wise, the camera introduces a reliable 45-point autofocus system (19 cross-type points), instant startup times, a weather-sealed body, a useful 30-second voice memo recorder, and a massive LP-E4 lithium-ion battery life capable of exceeding 1,300 shots per charge. However, the review outlines several prominent cons, particularly when compared to its contemporary rivals. The camera's high-ISO noise performance at 1600 and 3200 ISO falls slightly short of the cheaper Canon EOS 5D. Additionally, the 3-inch LCD screen suffers from a low 230,000-pixel resolution, which feels severely lacking next to Nikon’s 900,000-pixel full-frame displays....

fotografiastore.it

07/09/2026

Summary of the review

Canon EOS 1Ds Mark III Review - FotografiaStore.it

The FotografiaStore.it review of the Canon EOS 1Ds Mark III details a technical laboratory assessment conducted by the Centro Studi Progresso Fotografico. Introduced in 2007, this professional Full Frame DSLR features a 22-megapixel resolution (specifically 21.1 Mpxl). The lab report evaluates its strict engineering benchmarks by measuring operating speeds, battery autonomy, sensitometric curves, MTF sharpening, digital noise, actual resolution limits, and exposure latitude. The primary advantage highlighted in this lab test is the camera's high-tier performance, characterized by rich resolution rendering, excellent sensor latitude, and a robust battery life system. However, the assessment implicitly reveals several drawbacks stemming from its era. Given its 2007 design, its file-processing and shooting burst speeds are naturally limited compared to modern standards. Additionally, capturing large 22 Mpxl RAW files strains memory storage systems, and navigating the underlying MTF sharpening and noise characteristics requires precise post-processing adjustments to extract optimum sharpness.

photofacts.nl

04/02/2008

Summary of the review

Canon 1Ds Mark III Review - Photofacts

Canon 1Ds Mark III The Canon 1Ds Mark III is a professional-grade full-frame DSLR camera praised for its historic, high-resolution 21.1-megapixel CMOS sensor that captures extreme details, making it highly suitable for studio, landscape, and commercial photographers. Key benefits highlighted in the review include its exceptionally fast operational response, an upgraded 45-point autofocus system (with 19 highly sensitive cross-type points), a durable weatherproof body built to handle up to 300,000 shutter cycles, and the useful inclusion of a 3-inch LCD screen with Live View. Additionally, photographers benefit from a modernized menu structure, customizable file names, direct control of external speedlites from the camera interface, and an in-camera autofocus micro-adjustment feature to fix front- or back-focusing lens errors. However, the camera comes with notable downsides, most significantly its massive price tag of approximately €8,000 (body only) and its substantial weight of 1.4 kilograms, requiring strong physical effort when paired with heavy L-series lenses. The full-frame sensor demands pristine lens quality, making faults like vignetting far more visible than on crop-sensor bodies, and it renders older EF-S lenses entirely incompatible. High ISO...

photogear.nl

04/02/2008

Summary of the review

Canon EOS 1Ds Mark III - Photogear User Experience

The Photogear review highlights the Canon EOS 1Ds Mark III as an impressive, high-end workhorse camera designed mainly for professional studio, landscape, and reportage photographers. Released as Canon's third version in its professional line, it features a massive 21.1-megapixel full-frame sensor and a 3.0-inch screen with Live View functionality. Users praise the camera body for being exceptionally durable and "bulletproof," noting it can survive accidental drops and keep working without a hitch. Key strengths include a highly accurate 45-point autofocus system that beats the 5D Mark II, dual memory card slots (Compact Flash and SD) for flexible backup combinations, and a long battery life capable of shooting 1,000 to 1,500 photos per charge. The major drawback of this camera is its huge introduction price of around 8,100 euros, making it unaffordable for most casual photographers. Because of this, the review notes that the cheaper Canon 40D offers much better value for the average person. Additionally, consumer experiences point out that the camera is completely missing video recording capabilities. It also falls short compared to newer bodies like the 5D Mark...

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