Sigma BF
- Type
- Mirrorless
- Mount
- L-Mount
- Sensor format
- Full frame
- Resolution
- 24.6 MP
- Released
- April 2025
Specifications
Sensor and image
- Resolution
- 24.6 MP
- Largest image size
- 6,016 × 4,012 px
- Sensor format
- Full frame
- Sensor size
- 35.9 × 23.9 mm
- Sensor type
- Back-illuminated CMOS
- ISO range
- 100 to 102,400
- Extended ISO range
- 6 to 102,400
Autofocus
- AF system
- Image Plane Phase-Detection AF + Contrast detection system
- Subject detection
- People, Animals
- AF low-light limit
- -5 EV
Shutter and burst
- Mechanical shutter
- No
- Fastest shutter speed, electronic
- 1/25600 s
- Slowest shutter speed
- 30 s
- Burst rate, electronic
- 8 fps
Video
- Video modes
Resolution Max. frame rate Crop Note 6K (6,016 × 3,384) 29.97 – cannot be used with EIS UHD 4K (3,840 × 2,160) 29.97 – Full HD (1,920 × 1,080) 119.88 – - Log profile
- Yes
Viewfinder and display
- Screen
- 3.2 in, 2.1 million dots
- Touchscreen
- Yes
Body and battery
- Dimensions (W × H × D)
- 130.1 × 72.8 × 36.8 mm
- Weight with battery and card
- 446 g
- Body-only weight
- 388 g
- Weather sealing
- Yes
- Battery
- BP-81
- Shots per charge (screen)
- 260 shots
Storage and connections
- Card slots
- Internal memory (approx. 230 GB)
- USB
- USB Type-C (USB 10 Gbps / USB 3.2 compatible)
- Microphone input
- Supported via USB
- Headphone output
- Supported via USB
Market and price
- Announced
- February 24, 2025
- Released
- April 2025
Features stated by the manufacturer
- 1.5x crop (3840 x 2560) stills
- 13 color modes
- 230 gb internal storage
- Aluminum unibody
- Electronic image stabilization for video
- False color
- Focus bracketing
- Focus peaking
- Interval timer
- L-log
- Pressure-sensitive haptic buttons
- Webcam function
- Zebra
Manufacturer data: sigma-global.com, press.sigmaphoto.com
Last checked: October 25, 2026 (against the manufacturer data) · How we check
Size and weight
- Width × height × depth
- 130.1 × 72.8 × 36.8 mm
- Weight with battery and card
- 446 g
- Weight, body only
- 388 g
Manufacturer data: sigma-global.com, press.sigmaphoto.com
The front view is schematic, only width and height are to scale.
Check the shutter count
Sigma cameras do not write a shutter counter into their photo files. Open the tool