Scored using Cameras Methodology v1.0
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Products in this category are evaluated mathematically under Frontumo Cameras Methodology v1.0 using verified laboratory benchmarks, technical specifications, and authentic consumer ratings with 0% commercial bias.
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Sigma BF Review | 108 Data compared

Avg. price:~£1,650Sensor size:full frameWeight:446 gBattery life (CIPA):260 shots

Sigma BF Review: Compare 108 technical specifications and user reviews to see how this product ranks in the Cameras category and whether it is worth buying.

6.7

Overall score

Score
6.7/ 10
✕
What it is
An overall evaluation of the camera's quality, based on technical analyses and user reviews.
When it matters
When you need a quick reference to identify the best cameras on the market.
Score distribution
▼
<55-66-77-88-99-10
Score components

90%

6.7

Technical score

10%

?

User score

▲Better than 83% of cameras
6.7

Technical score

Technical score
6.7/ 10
✕
What it is
An assessment of technical performance for products in the Cameras category across these key areas: Sensor & Image, Photo Features, Video & Audio, Display & Design, Battery & Power, Connectivity & Storage.
When it matters
When you want to compare cameras based on technical performance and available features.
Score distribution
▼
<55-66-77-88-99-10
Score components

28%

8.4

Sensor & Image

25%

5.9

Photo Features

18%

7.5

Video & Audio

14%

5.8

Display & Design

8%

7.0

Battery & Power

7%

3.0

Connectivity & Storage

▲Better than 84% of cameras
?

User score

User score
8.0/ 10
✕
What it is
A rating that combines user reviews and the total number of reviews received by the camera.
When it matters
When real-world owner satisfaction and review volume matter to your decision.
Score distribution
▼
<55-66-77-88-99-10
Score components

70%

?

User ratings

30%

?

Number of reviews

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Technical Specifications of camera Sigma BF

Technical score
Technical score
6.7/ 10
✕
What it is
An assessment of technical performance for products in the Cameras category across these key areas: Sensor & Image, Photo Features, Video & Audio, Display & Design, Battery & Power, Connectivity & Storage.
When it matters
When you want to compare cameras based on technical performance and available features.
Score distribution
▼
<55-66-77-88-99-10
Score components:

28%

8.4

Sensor & Image

25%

5.9

Photo Features

18%

7.5

Video & Audio

14%

5.8

Display & Design

8%

7.0

Battery & Power

7%

3.0

Connectivity & Storage

6.7
User score
User score
8.0/ 10
✕
What it is
A rating that combines user reviews and the total number of reviews received by the camera.
When it matters
When real-world owner satisfaction and review volume matter to your decision.
Score distribution
▼
<55-66-77-88-99-10
Score components

70%

?

User ratings

30%

?

Number of reviews

?
Popularity
Popularity
1.0/ 10
✕
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.
Score distribution
▼
<55-66-77-88-99-10
Popularity:
Sigma BF has a popularity score of 1, which is lower than 51.3% of cameras.
1.0
Value for money
Value for money
5.2/ 10
✕
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.
Score distribution
▼
<55-66-77-88-99-10
Score components:

60%

6.7

Overall score

40%

1.8

Price

5.2
Sensor size
full frame
Sensor size
full frame
This camera uses a sensor classified as full frame; it is larger than the sensor in 83.7% of cameras and the same size as the sensor in 14% of cameras.
Main camera megapixels
24.6 MP
Main camera megapixels
24.6 MP
This camera has a sensor resolution of 24.6 MP, which is higher than that of 88% of cameras and equal to that of 0.7% of cameras.
Main camera pixel size
5.98 µm
Main camera pixel size
5.98 µm
This camera has sensor pixels measuring 5.98 µm, which are larger than those in 92.6% of cameras and the same size as those in 0.1% of cameras.
Base ISO
1,250
Base ISO
1,250
This camera has a base ISO of 1,250 which is higher than that of 100% of cameras.
Max ISO
ISO 102400 ISO
Max ISO
ISO 102,400
This camera reaches a maximum sensitivity of ISO 102,400, which is higher than that of 97.5% of cameras and equal to that of 1.8% of cameras.
Show more
Lens mount
L-Mount
Built-in focus motor
no
Built-in focus motor
no
This camera does not have a built-in focus motor. 11% of cameras have a built-in focus motor.
N. of focus points
1
N. of focus points
1
This camera has 1 focus points, fewer than the number offered by 95.4% of cameras and equal to the number offered by 4.6% of cameras.
Phase-detection autofocus (photos)
yes
Phase-detection autofocus (photos)
yes
This camera supports phase-detection autofocus for photos. 37.3% of cameras support phase-detection autofocus for photos.
AF tracking
yes
AF tracking
yes
This camera supports AF tracking. This feature is available on 88% of cameras.
Show more
Max video resolution
6,000 px
Max video resolution
6,000 px
This camera supports 6,000 px video recording which is higher quality than that of 96.1% of cameras and equal to that of 2% of cameras.
Video bitrate
150 Mbps
Video bitrate
150 Mbps
This camera has a video bitrate of 150 Mbps which is higher than that of 87.1% of cameras and equal to that of 0.1% of cameras.
Video bit depth
14 bit
Video bit depth
14 bit
This camera supports video at 14 bit, a bit depth higher than that of 99.6% of cameras and equal to that of 0.1% of cameras.
DNG
Video chroma subsampling
4:2:0
Video chroma subsampling
4:2:0
This camera supports 4:2:0 video chroma subsampling which is more advanced than that of 7.8% of cameras and equal to that of 69.9% of cameras.
Video codecs
H.264, H.265
Show more
Type
mirrorless
Weight
446 g
Weight
446 g
This camera weighs 446 g which is heavier than 56.5% of cameras.
Width
130.1 mm
Width
130.1 mm
This camera has a width of 130.1 mm which is wider than 73.2% of cameras.
Height
72.8 mm
Height
72.8 mm
This camera has a height of 72.8 mm which is shorter than 51% of cameras.
Thickness
36.8 mm
Thickness
36.8 mm
This camera has a thickness of 36.8 mm which is thinner than 65.3% of cameras and equal to that of 0.1% of cameras.
Show more
Battery life (CIPA)
260 shots
Battery life (CIPA)
260 shots
This camera has a CIPA-rated battery life of 260 shots, which is shorter than that of 69.9% of cameras and equal to that of 2.1% of cameras.
Battery capacity
3,300 mAh
Battery capacity
3,300 mAh
This camera has a battery capacity of 3,300 mAh which is larger than the batteries in 99.2% of cameras and equal to those in 0.1% of cameras.
Removable battery
yes
Removable battery
yes
This camera has a removable battery, and 98.7% of cameras include one.
USB Power Delivery (PD)
yes
USB Power Delivery (PD)
yes
This camera supports USB Power Delivery. 10% of cameras support USB Power Delivery.
Wi-Fi connectivity
no
Wi-Fi connectivity
no
This camera does not support Wi-Fi. 47.9% of cameras include this feature.
Wi-Fi version
N/A
Bluetooth connectivity
no
Bluetooth connectivity
no
This camera does not have Bluetooth. 22.7% of cameras support Bluetooth.
Bluetooth version
N/A
USB Type-C
yes
USB Type-C
yes
This camera features USB Type-C. 14.5% of cameras use USB-C ports.
Show more

Sigma BF vs the average camera

246810TotalDisplay & DesignSensor & ImagePhoto FeaturesVideo & AudioBattery & PowerConnectivity & Storage
  • Higher video resolution
    Max video resolution
    6,000 px
    This camera records higher-resolution video than the average camera (6000 px vs 1920 px). The average camera records at 1920 px.
    6000 px vs 1920 px
  • Phase-detect AF for photos
    Phase-detection autofocus (photos)
    yes
    This camera supports phase-detection autofocus for photos, the average camera does not.
  • 96,000 ISO higher maximum sensitivity limit
    Max ISO
    102,400 ISO
    This camera has a higher maximum sensitivity than the average camera (102400 ISO vs 6400 ISO). The average camera reaches a maximum sensitivity of 6400 ISO.
    102,400 ISO vs 6,400 ISO
  • 2.64 µm larger sensor pixels
    Main camera pixel size
    5.98 µm
    This camera has larger sensor pixels than the average camera (6 µm vs 3.34 µm). The average sensor pixel size is 3.34 µm.
    5.98 µm vs 3.34 µm
  • 120 Mbps higher video bitrate
    Video bitrate
    150 Mbps
    This camera has a higher video bitrate than the average camera (150 Mbps vs 30 Mbps). The average camera records at 30 Mbps.
    150 Mbps vs 30 Mbps
  • Human eye AF
    Eye detection AF (human)
    yes
    This camera supports human eye-detection AF, the average camera does not.
  • Higher video color depth
    Video bit depth
    14 bit
    This camera supports a higher video bit depth than the average camera (14 bit vs 8 bit). The average camera supports video at 8 bit.
    DNG
    14 bit vs 8 bit
  • Higher sensor resolution
    Main camera megapixels
    24.6 MP
    This camera has a higher sensor resolution than the average camera (24.6 MP vs 16.2 MP). The average camera has a sensor resolution of 16.2 MP.
    24.6 MP vs 16.2 MP
  • Has a touchscreen
    Touchscreen
    yes
    This camera has a touchscreen, the average camera does not. 36.6% of cameras support touchscreen input.
  • 0.15 in larger screen diagonal
    Screen size
    3.15 in
    This camera has a larger screen than the average camera (3.2 in vs 3 in). The average camera has a screen size of 3 in.
    3.15 in vs 3 in
  • 96,000 ISO higher maximum sensitivity limit
    Max ISO
    102,400 ISO
    This camera has a higher maximum sensitivity than the average camera (102400 ISO vs 6400 ISO). The average camera reaches a maximum sensitivity of 6400 ISO.
    102,400 ISO vs 6,400 ISO
  • 2.64 µm larger sensor pixels
    Main camera pixel size
    5.98 µm
    This camera has larger sensor pixels than the average camera (6 µm vs 3.34 µm). The average sensor pixel size is 3.34 µm.
    5.98 µm vs 3.34 µm
  • Higher sensor resolution
    Main camera megapixels
    24.6 MP
    This camera has a higher sensor resolution than the average camera (24.6 MP vs 16.2 MP). The average camera has a sensor resolution of 16.2 MP.
    24.6 MP vs 16.2 MP
  • Uses a BSI sensor
    BSI sensor
    yes
    This camera uses a BSI sensor, the average camera does not. 34.8% of cameras use a BSI sensor.
  • 77,100 ISO higher extended sensitivity limit
    Max expanded ISO
    102,400 ISO
    This camera has a higher expanded ISO than the average camera (102400 ISO vs 25300 ISO). The average camera reaches an expanded ISO of 25300 ISO.
    102,400 ISO vs 25,300 ISO
  • Larger sensor
    Sensor size
    full frame
    This camera has a larger sensor than the average camera (full frame vs APS-C).
    full frame vs APS-C
  • 12 newer
    Release date
    2025
    This camera is newer than the average camera (2025 vs 2013). The average camera was released in 2013.
    April 2025
    2,025 vs 2,013
  • 1,150 higher base ISO
    Base ISO
    1,250
    This camera has a higher base ISO than the average camera (1,250 vs 100). The average camera has a base ISO of 100.
    1,250 vs 100
  • Phase-detect AF for photos
    Phase-detection autofocus (photos)
    yes
    This camera supports phase-detection autofocus for photos, the average camera does not.
  • Human eye AF
    Eye detection AF (human)
    yes
    This camera supports human eye-detection AF, the average camera does not.
  • Lossless compressed RAW
    Lossless compressed RAW
    yes
    This camera supports lossless compressed RAW, while the average camera does not.
    Lossless RAW capture is supported.
  • Supports touch autofocus
    Touch autofocus
    yes
    This camera supports touch autofocus, the average camera does not. 34.9% of cameras support touch autofocus.
  • 270 s longer maximum exposure
    Longest shutter speed
    300 s
    This camera supports a longer maximum exposure than the average camera (300 s s vs 30 s s). The average camera supports a longest shutter speed of 30 s s.
    300 s vs 30 s
  • Supports focus bracketing
    Focus bracketing
    yes
    This camera supports focus bracketing, the average camera does not.
  • Has anti-flicker mode
    Anti-flicker mode
    yes
    This camera includes an anti-flicker mode, the average camera does not. 20% of cameras include it.
  • Better low-light autofocus
    AF low-light sensitivity
    -5
    This camera has a better low-light AF sensitivity than the average camera (-5 EV vs -4 EV). The average camera reaches a low-light AF sensitivity of -4 EV.
    -5 vs -4
  • Higher video resolution
    Max video resolution
    6,000 px
    This camera records higher-resolution video than the average camera (6000 px vs 1920 px). The average camera records at 1920 px.
    6000 px vs 1920 px
  • 120 Mbps higher video bitrate
    Video bitrate
    150 Mbps
    This camera has a higher video bitrate than the average camera (150 Mbps vs 30 Mbps). The average camera records at 30 Mbps.
    150 Mbps vs 30 Mbps
  • Higher video color depth
    Video bit depth
    14 bit
    This camera supports a higher video bit depth than the average camera (14 bit vs 8 bit). The average camera supports video at 8 bit.
    DNG
    14 bit vs 8 bit
  • Supports slow-motion video
    Slow-motion video
    yes
    This camera supports slow-motion video, the average camera does not.
    Supports up to 120 fps high-speed video.
  • Phase-detect AF in video
    Phase-detection autofocus (video)
    yes
    This camera supports phase-detection autofocus in video, the average camera does not.
  • Supports live streaming
    Live streaming (first-party)
    yes
    This camera supports live streaming, the average camera does not.
    USB webcam/UVC.
  • Supports log profiles
    Log profile support
    yes
    This camera supports log profiles, the average camera does not.
    L-Log
  • Built-in timelapse
    Timelapse function
    yes
    This camera includes timelapse capture, the average camera does not.
  • Supports 24p cinema mode
    24p cinema mode
    yes
    This camera supports 24p cinema mode, the average camera does not. 44% of cameras support this mode.
  • 90 min longer recording time
    Max video recording time
    120 min
    This camera records continuously for longer than the average camera (120 min vs 30 min). The average camera records for 30 min.
    120 min vs 30 min
  • 2,180 mAh larger battery capacity
    Battery capacity
    3,300 mAh
    This camera has a higher battery capacity than the average camera (3300 mAh vs 1120 mAh). The average camera has a battery capacity of 1120 mAh.
    3,300 mAh vs 1,120 mAh
  • USB Power Delivery
    USB Power Delivery (PD)
    yes
    This camera supports USB Power Delivery, the average camera does not.
  • Has USB Type-C
    USB Type-C
    yes
    This camera has a USB Type-C port, the average camera does not. 14.5% of cameras use USB-C.
  • 0.23 GB more storage
    Internal storage
    0.23 GB
    This camera has a higher internal storage than the average camera (0.2 GB vs 0 GB). The average camera offers 0 GB of internal storage.
    0.23 GB vs 0 GB
  • Newer USB version
    USB version
    USB 3.2 Gen 2
    This camera supports a newer USB version than the average camera (USB 3.2 Gen 2 vs USB 2). The average camera uses USB 2.0.
    USB 3.2 Gen 2 vs USB 2.0
  • No hot shoe
    Hot shoe
    no
    This camera does not have a hot shoe, the average camera does.
  • 22 fewer AF points
    N. of focus points
    1
    This camera has fewer focus points than the average camera (1 vs 23). The average camera offers 23 focus points.
    1 vs 23
  • No HDMI output
    HDMI output
    no
    This camera does not support HDMI output, the average camera does. 78.7% of cameras support HDMI output.
  • 70 shots fewer shots per charge
    Battery life (CIPA)
    260 shots
    This camera has shorter battery life than the average camera (260 shots vs 330 shots). The average camera delivers 330 shots per charge.
    260 shots vs 330 shots
  • No flash
    Flash
    no
    This camera does not have a built-in flash, the average camera does. 73.4% of cameras have a flash.
  • No external memory slot
    External memory slot
    no
    This camera does not have a memory card slot, while the average camera does.
    Internal storage only.
  • 5.69x more expensive
    Sigma BF is more expensive than the average camera (£1,650 vs £290).
    £1,650 vs £290
  • 18.1% worse value for money
    Sigma BF has a worse value-for-money score than the average camera (5.25 vs 6.2).
    5.25 vs 6.2
  • 5.69x more expensive
    Sigma BF is more expensive than the average camera (£1,650 vs £290).
    £1,650 vs £290
  • 18.1% worse value for money
    Sigma BF has a worse value-for-money score than the average camera (5.25 vs 6.2).
    5.25 vs 6.2
  • 93% less popular
    Sigma BF is less popular than the average camera (1 vs 1.9).
    1 vs 1.93
  • No hot shoe
    Hot shoe
    no
    This camera does not have a hot shoe, the average camera does.
  • No flash
    Flash
    no
    This camera does not have a built-in flash, the average camera does. 73.4% of cameras have a flash.
  • 10.2 mm wider
    Width
    130.1 mm
    This camera is wider than the average camera (130.1 mm vs 119.9 mm). The average camera has a width of 119.9 mm.
    130.1 mm vs 119.9 mm
  • 51 g heavier
    Weight
    446 g
    This camera is heavier than the average camera (446 g vs 395 g). The average camera weighs 395 g.
    446 g vs 395 g
  • 22 fewer AF points
    N. of focus points
    1
    This camera has fewer focus points than the average camera (1 vs 23). The average camera offers 23 focus points.
    1 vs 23
  • 70 shots fewer shots per charge
    Battery life (CIPA)
    260 shots
    This camera has shorter battery life than the average camera (260 shots vs 330 shots). The average camera delivers 330 shots per charge.
    260 shots vs 330 shots
  • No HDMI output
    HDMI output
    no
    This camera does not support HDMI output, the average camera does. 78.7% of cameras support HDMI output.
  • No external memory slot
    External memory slot
    no
    This camera does not have a memory card slot, while the average camera does.
    Internal storage only.

Video reviews

Hands-on testing, unboxing, and real-world video evaluations

Expert reviews

In-depth analysis and verdict from leading tech publications

P
petapixel.com
06/03/2025
Summary of the review
G
gamestar.de
23/03/2026
Summary of the review
C
chip.de
31/08/2025
Summary of the review
D
digitalphoto.de
25/09/2025
Summary of the review
G
galaxus.de
14/06/2025
Summary of the review
P
photolari.com
24/02/2025
Summary of the review
P
photolari.com
14/03/2025
Summary of the review
N
nadir.it
03/06/2024
Summary of the review
J
juzaphoto.com
21/12/2024
Summary of the review
F
frankwandelt.nl
20/03/2020
Summary of the review

Third-party reviews

What we like about Sigma BF

  • Exceptional build quality with a unibody aluminum construction that feels premium and durable.
  • Minimalist and simple user interface that focuses on essential photographic controls.
  • Excellent 24.6MP full-frame image quality with impressive color modes and RAW performance.
  • Fast and accurate hybrid phase-detection autofocus that includes eye and subject tracking.
  • Large 230GB internal storage, eliminating the need for external memory cards and offering fast transfer speeds.
  • Compact and lightweight design, making it highly portable for street and everyday photography.

What we don't like about Sigma BF

  • Poor battery life, often requiring multiple spares for a full day of shooting.
  • Lack of essential hardware features such as a built-in viewfinder (EVF), mechanical shutter, and hot shoe.
  • No in-body image stabilization (IBIS), which can limit handheld low-light shooting and video stability.
  • Limited ergonomics, including sharp body edges and a power button placement that makes one-handed use difficult.
  • Dependence on a single USB-C port for both charging and data transfer, which is inconvenient for multi-accessory use.
  • Susceptibility to rolling shutter artifacts and banding under artificial light due to the electronic-only shutter.

Verdict

The Sigma BF is a minimalist full-frame mirrorless camera featuring a 24.6MP back-illuminated CMOS sensor and a distinct aluminium unibody carved from a single ingot. Its core characteristics include a radically simplified interface with pressure-sensitive haptic controls, a hybrid phase and contrast-detection AF system with AI subject recognition, and L-mount lens compatibility. Main pros consist of 230GB of high-speed internal storage that removes the need for memory cards, 6K internal video recording with L-Log support, and 13 creative in-camera colour modes. However, notable cons include the lack of a viewfinder, no mechanical shutter, the absence of in-body image stabilisation (IBIS), and relatively limited battery life rated at approximately 260 shots.

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