Sigma BF Specs

Key Specs
Lens Mount
L-Mount
Sensor Resolution
Actual: 25.3 Megapixel
Effective: 24.6 Megapixel
Image Sensor
36 x 24 mm (Full-Frame) BSI CMOS
Image Stabilization
Digital (Video Only)
ISO Sensitivity Range
100 to 102,400
Internal Recording Modes
H.264/H.265
6000 x 3000 at 29.97 fps
1920 x 1080 up to 120 fps
External Recording Modes
No
Media/Memory Card Slot
No
Video I/O
No
Audio I/O
No
Power I/O
1x USB-C Input
Other I/O
1x USB-C Data Output (Shared with Power Input)
Display Type
Fixed Touchscreen LCD
Battery
1x BP-81 Rechargeable Lithium-Ion (Included)
 • Approx. 260 Shots
Imaging
Lens Mount
L-Mount
Sensor Resolution
Actual: 25.3 Megapixel
Effective: 24.6 Megapixel
Image Sensor
36 x 24 mm (Full-Frame) BSI CMOS
Sensor Crop (35mm Equivalent)
Crop Factor: 1x
Additional Modes: 1.5x
Image Stabilization
Digital (Video Only)
Built-In ND Filter
No
Capture Type
Stills & Video
Exposure Control
Shutter Type
Electronic Rolling Shutter
Shutter Speed
1/25600 to 30 Second
Bulb/Time Mode
Bulb Mode (Up to 5 Minutes)
ISO Sensitivity Range
100 to 102,400
Metering Method
Evaluative, Spot
Exposure Modes
Aperture Priority, Manual, Program, Shutter Priority
Exposure Compensation
-5 to +5 EV (1/3 EV Steps)
Metering Range
-7 to 20 EV
White Balance
Presets: AWB, Auto, Custom, Daylight, Flash, Fluorescent, Incandescent, Manual, Overcast, Shade
Continuous Shooting
Up to 8 fps at Maximum Resolution for up to 1000 Frames (JPEG) / 350 Frames (Raw)
Still Image Capture
Aspect Ratio
1:1, 3:2, 4:3, 4:5, 16:9, 21:9
Image File Format
DNG, JPEG
Bit Depth
14-Bit
Video Capture
Internal Recording Modes
H.264/H.265
6000 x 3000 at 29.97 fps
1920 x 1080 up to 120 fps
External Recording Modes
No
Recording Limit
No
IP Streaming
No
Built-In Microphone
Stereo (Microphone Location: Top)
Interface
Media/Memory Card Slot
No
Internal Memory
230 GB
Video I/O
No
Audio I/O
No
Power I/O
1x USB-C Input
Other I/O
1x USB-C Data Output (Shared with Power Input)
Mobile App Compatible
No
Monitor
Display Size
3.15"
Resolution
2,100,000 Dot
Display Type
Fixed Touchscreen LCD
Secondary Display
Rear: LCD Status Display
Type
No Viewfinder Support
Focus
Focus Type
Auto and Manual Focus
Focus Mode
Continuous-Servo AF, Full-Time Servo, Manual Focus, Single-Servo AF
Autofocus Sensitivity
-5 to +18 EV
Built-In Flash/Light
No
General
Battery
1x BP-81 Rechargeable Lithium-Ion (Included)
 • Approx. 260 Shots
Shoe Mount
No
Material of Construction
Aluminum
Dimensions (W x H x D)
5.1 x 2.9 x 1.4" / 130.1 x 72.8 x 36.8 mm
Weight
15.7 oz / 446 g (With Battery)
13.7 oz / 388 g (Body Only)