Optimized video, optimized sensitivity, optimized speed, the Sony Alpha a7S III raises the bar for what a full-frame mirrorless camera is capable of. A revised 12.1MP Exmor R BSI CMOS sensor and updated BIONZ XR image processor offer faster performance, improved noise reduction, and a wider dynamic range, along with UHD 4K 120p video recording and internal 10-bit 4:2:2 sampling.
*SDXC V90 media does not support H.264/XAVC S-I 4:2:2 10-Bit recording
Record Time
Shooting 24p with an 80GB CFexpress Type A Card
- XAVC HS 4K 10-bit records 1hr39min
- XAVC S 4K 10-bit records 1hr38min
- XAVC S-I 4K 10-bit records 17min
Recording Format
H.265/XAVC HS 4:2:2 10-Bit:
- UHD 4K (3840 x 2160) at 23.976p/25p/29.97p/50p/59.94p/
100p/119.88p [50 to 280 Mb/s]
H.265/XAVC HS 4:2:0 10-Bit:
- UHD 4K (3840 x 2160) at 23.976p/25p/29.97p/50p/59.94p/
100p/119.88p [30 to 200 Mb/s]
H.264/XAVC S-I 4:2:2 10-Bit:
- UHD 4K (3840 x 2160) at 23.976p/25p/29.97p/50p/59.94p
[240 to 600 Mb/s]
- Full HD (1920 x 1080) at 23.976p/25p/29.97p/50p/59.94p
[89 to 222 Mb/s]
H.264/XAVC S 4:2:2 10-Bit:
- UHD 4K (3840 x 2160) at 23.976p/25p/29.97p/50p/59.94p/
100p/119.88p [100 to 280 Mb/s]
- Full HD (1920 x 1080) at 23.976p/25p/29.97p/50p/59.94p/
100p/119.88p/200p/239.76p
[50 Mb/s]
H.264/XAVC S 4:2:0 8-Bit:
- UHD 4K (3840 x 2160) at 23.976p/25p/29.97p/50p/59.94p/
100p/119.88p [60 to 200 Mb/s]
- Full HD (1920 x 1080) at 23.976p/25p/29.97p/50p/59.94p/
100p/119.88p/200p/239.76p
[16 to 100 Mb/s]
Resolution
4240 x 2832
Bit Depth
14-Bit
ISO Range
80 to 102400
(Extended: 40 to 409600)
Weight
1.35 lb / 614 g (Body Only)
Audio/Mic Input
3.5mm Microphone input
Output
HDMI A, USB Type-C, USB Micro-B, 3.5mm Headphone
Built in ND
No
Sony Alpha a7S III Body Kit
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