Sigma BF

The official site is a single product page and does not mention pre-burst, monitor articulation, 4K crop, 10-bit or RAW video (L-Log is supported)

Basics

Sensor size	Full frame
Effective megapixels	24.6 MP
Sensor type	BSI
ISO (min)	ISO 100 Settable range 100 to 102400. Extended ISO 6, 12, 25 and 50
ISO (max)	ISO 102400

Mechanical shutter (fastest) ?	None Electronic shutter only
Electronic shutter (fastest)	1/25600 s
Slowest shutter speed	30 s
Flash sync speed	Not stated Spec sheet does not mention flash

Burst, mechanical shutter	None
Burst, electronic (AF tracking) ?	8 fps Choose from 3, 5 or 8 fps. AF tracking not stated
Burst, electronic (max) ?	8 fps
Pre-capture ?	Not stated

Subject detection	People, Animals
In-body stabilization	No Stabilization is electronic (EIS) for video only
IBIS, body only ?	None
IBIS, max (incl. lens) ?	None

Max video resolution ?	6K (6016) 6K (6016×3384). Cannot be combined with EIS
4K max frame rate	30p
4K max frame rate (no crop) ?	Not stated
Full HD max frame rate	120p
10-bit recording	Not stated
Internal RAW video	Not stated
Recording time limit ?	120 min

Weight, body only	388 g
Weight, with battery ?	446 g
Dimensions (W×H×D)	130.1 × 72.8 × 36.8 mm
Weather sealing	Yes Designed with dust and splash resistance in mind

Card slots	0 Internal memory (approx. 230 GB) and USB storage
Card types	Internal memory
Battery life (CIPA) ?	260 shots
USB power	Power while shooting USB Type-C for "charging / power supply"
Wireless	Not stated Spec sheet does not mention Wi-Fi or Bluetooth

Checked November 15, 2026. Sources are the maker's official Japanese website. Not stated means the value is not given there.