Cameras

Sony a7S III vs Sony FX6

Compare key differences and full specifications to find the camera that suits your photography.

Key differences

Best for

Larger prints and more cropping detail: Sony a7S III (12.1).

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Specification Sony a7S III Sony FX6
General
Brand Sony Sony
Model a7S III FX6
Year 2020 2020
Body
Dimensions 128.9 x 96.9 x 69.7 mm 114 x 116 x 153 mm
Weight 614 g 890 g
Sensor
Sensor type CMOS 35 mm full-frame single-chip CMOS
Sensor size 35.6 x 23.8 mm —
Sensor resolution 4260 x 2840 —
Crop factor 1.01 —
Total megapixels 12.9 12.9
Effective megapixels 12.1 10.2
Image
Max. image resolution 4240 x 2832 —
ISO Auto, 80-102400 (extends to 40-409600) —
Exposure & Shutter
Min. shutter speed 30 sec —
Max. shutter speed 1/8000 sec —
Metering Multi, Center-weighted, Spot —
Exposure compensation ±5 EV (in 1/3 EV, 1/2 EV steps) —
Aperture priority Yes —
Shutter priority Yes —
White balance presets 10.0 —
Autofocus & Drive
Autofocus type Fast Hybrid AF (phase + contrast detection) —
AF phase-detection points 759 —
Max burst (mechanical shutter) 10 fps —
Stabilization
In-body stabilization (IBIS) Yes, 5-axis sensor shift —
Rated stops 5.5 stops —
Video
Max. video mode 4K 120p (3840 x 2160) DCI 4K 60p / UHD 4K 120p
RAW video output — 16-bit RAW via 12G-SDI
Video dynamic range / latitude — 15+ stops
Base ISO (Cine EI mode) — 800, 12800
Variable ND filter — 1/4 ND to 1/128 ND
Display & Viewfinder
Screen size 3" —
Screen resolution 1,440,000 dots —
Viewfinder Electronic —
Storage & Connectivity
Storage types SD/SDHC/SDXC/MS Pro Duo/CFexpress —
USB USB 3.0 (5 GBit/sec) —
Power
Battery NP-FZ100 lithium-ion battery —
CIPA rated shots (EVF) 510 shots —
CIPA rated shots (LCD) 600 shots —
Lens & Focus
Lens mount — Sony E
Digital zoom Yes —