Cameras

Sony a7C vs Sony a7S III

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 a7C (24.2).

Longer battery life using the viewfinder (CIPA): Sony a7C (680 shots).

Longer battery life using the screen (CIPA): Sony a7C (740 shots).

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Specification Sony a7C Sony a7S III
General
Brand Sony Sony
Model a7C a7S III
Year 2020 2020
Body
Dimensions 124 x 71.1 x 59.7 mm 128.9 x 96.9 x 69.7 mm
Weight 509 g 614 g
Sensor
Sensor type CMOS CMOS
Sensor size 35.6 x 23.8 mm 35.6 x 23.8 mm
Sensor resolution 6026 x 4017 4260 x 2840
Crop factor 1.01 1.01
Total megapixels 25.3 12.9
Effective megapixels 24.2 12.1
Image
Max. image resolution 6000 x 4000 4240 x 2832
ISO Auto, 100-51200 (extends to 50-204800) Auto, 80-102400 (extends to 40-409600)
Exposure & Shutter
Min. shutter speed 30 sec 30 sec
Max. shutter speed 1/4000 sec 1/8000 sec
Metering Multi, Center-weighted, Highlight-weighted, Average, Spot Multi, Center-weighted, Spot
Exposure compensation ±5 EV (in 1/3 EV, 1/2 EV steps) ±5 EV (in 1/3 EV, 1/2 EV steps)
Aperture priority Yes Yes
Shutter priority Yes Yes
White balance presets 7.0 10.0
Autofocus & Drive
Autofocus type Fast Hybrid AF (phase + contrast detection) Fast Hybrid AF (phase + contrast detection)
AF phase-detection points 693 759
Max burst (mechanical shutter) 10 fps 10 fps
Stabilization
In-body stabilization (IBIS) Yes, 5-axis sensor shift Yes, 5-axis sensor shift
Rated stops 5 stops 5.5 stops
Video
Max. video mode 4K 30p (3840 x 2160) 4K 120p (3840 x 2160)
Display & Viewfinder
Screen size 3" 3"
Screen resolution 921,600 dots 1,440,000 dots
Viewfinder Electronic Electronic
Storage & Connectivity
Storage types SD/SDHC/SDXC/MS Pro Duo SD/SDHC/SDXC/MS Pro Duo/CFexpress
USB USB 3.0 (5 GBit/sec) USB 3.0 (5 GBit/sec)
Power
Battery NP-FZ100 lithium-ion battery NP-FZ100 lithium-ion battery
CIPA rated shots (EVF) 680 shots 510 shots
CIPA rated shots (LCD) 740 shots 600 shots
Lens & Focus
Digital zoom Yes Yes