BFvs A6600

GearFrame · Updated March 2026

Sigma BF Sigma BF (2025) Starting from £1799 new Best for Photographers who want to strip back every distraction View BF
VS
Sony A6600 Sony A6600 (2019) Starting from £1299 new Best for Hybrid photography, travel & video on Sony APS-C View A6600

GearScore™ Verdict — Which should you buy?

Photographers Who Want To Strip Back Every Distraction — BF (2025): The most radical camera in years — no dials, no buttons, just a flat aluminium body and total creative minimalism.

Hybrid Photography, Travel & Video On Sony Aps-C — A6600 (2019): The APS-C Sony that has everything — IBIS, real-time Eye AF, excellent battery life, and 4K/30p in a weather-sealed body.

↓ Full specifications below

BF (2025)

  • Photographers who find camera menus and dials a distraction from the creative process
  • L-mount system users who want the lightest, most minimal full-frame body available
  • Design enthusiasts who value the object quality and philosophy as much as the output
  • Sigma fp/fp L users ready for a more radical step toward minimal photography

A6600 (2019)

  • Sony APS-C shooters who need IBIS — the only A6000-series body to offer it
  • Hybrid photographers who want the best of stills and video from a compact E-mount body
  • A6400 or A6100 owners who want IBIS and a headphone jack for video work
  • Travel photographers who need compact full-featured weather-sealed performance

Quick take: The a6600 has the highest resolution at 24mp; the a6600 is the most affordable. Scroll down for the full spec breakdown.

Full specifications

Specification BF (2025)A6600 (2019)
Price £1,799 £1,299
Sensor 24MP full-frame BSI CMOS 24.2MP APS-C Exmor CMOS
Resolution 24.0MP 24.2MP
Video 4K/30p, 1080p/60p 4K/30p (no crop), 1080p/120p
Autofocus Phase-detect AF — face and eye detection Real-time Eye AF, real-time tracking — inherited from A9
Stabilisation 5-axis IBIS — 7 stops 5-axis IBIS — 5 stops
Burst Rate 9fps electronic 11fps continuous with AF/AE
Battery Life ~400 shots (CIPA) ~810 shots (CIPA) — large NP-FZ100 battery
Weight 427g body only 503g body only
Dimensions 127.0 × 75.0 × 45.0mm 120 × 66.9 × 69.3mm
Weather Sealed Yes Yes
Viewfinder EVF 0.75× 3.68M-dot EVF, 2.36M dots, 0.70× magnification
Screen 3.15" fully articulating touchscreen — primary interface 3.0" touchscreen, tilting
Mount L-mount (Leica/Panasonic/Sigma) Sony E-mount (APS-C)
Memory Cards Single UHS-II SD slot Single SD UHS-I slot
Connectivity USB-C, Wi-Fi, Bluetooth USB-C, Bluetooth, Wi-Fi, 3.5mm mic & headphone jacks
Genre BFA6600
Street
9.0
9.0
Travel
9.0
9.0
Portrait
9.0
9.0
Landscape
7.0
Sports
4.0
7.0
Vlogging & Video
4.0
9.0
Wildlife
7.0
⚡ Compare specs side by side BF prices → A6600 prices →

More comparisons with BF