The Sony A7S III is a full-frame mirrorless camera built for video and low light. Its 12.1 megapixel sensor records clean, detailed 4K with fast autofocus and effective stabilisation in a body small enough for a gimbal.

The Exmor R BSI full-frame sensor and BIONZ XR processor give about 15 stops of dynamic range and very low noise at high ISO, with much less rolling shutter than earlier A7S bodies. The 5-axis in-body stabilisation keeps handheld shots steady, and the fully articulating screen and large EVF make it quick to frame and monitor.

It records internal 4K at up to 120fps in 10-bit 4:2:2, with dual card slots that take CFexpress Type A or SD cards. The ISO range runs from 80 to 102,400 and expands to 409,600, which makes it a strong choice for night exteriors, available light work and as a second or crash camera alongside a cinema body.

  • Sony A7SIII Body

  • Sony A7Siii SmallRig Cage

  • SD Card - 128GB - 300MB/s - V90 - Angelbird AV Pro

  • SD Card Reader

  • 6× NP-FZ100 Battery

  • Sony BC-QZ1 Battery Charger

  • IEC Figure 8 Cable

Sensor



Sensor type

35 mm full frame (35.6 × 23.8 mm), Exmor R CMOS

Effective pixels

Approx. 12,100,000 (12.1 MP)

Total pixels

Approx. 12,900,000 (12.9 MP)

ISO sensitivity, stills

ISO 80 to ISO 102,400 (extended: minimum ISO 40, maximum ISO 409,600)

ISO sensitivity, movies

ISO 80 to ISO 102,400 equivalent (extended: maximum equivalent to ISO 409,600)

Image stabilisation

In-body sensor-shift, 5-axis; 5.5 stops (CIPA standard)

Recording

File format

Resolution

Max frame rate

Colour sampling / bit depth

XAVC HS 4K (H.265)

3840 × 2160

120p / 100p

4:2:2 10-bit (280 Mbps)

XAVC S 4K (H.264)

3840 × 2160

120p / 100p

4:2:2 10-bit (280 Mbps) / 4:2:0 8-bit (200 Mbps)

XAVC S HD

1920 × 1080

120p / 100p (240p / 200p in S&Q Motion)

4:2:0 8-bit

XAVC S-I 4K (Intra)

3840 × 2160

60p / 50p

4:2:2 10-bit (600 Mbps / 500 Mbps)

XAVC S-I HD (Intra)

1920 × 1080

60p / 50p

4:2:2 10-bit (222 Mbps / 185 Mbps)



Media

CFexpress Type A memory cards, SD / SDHC / SDXC memory cards (UHS-I and UHS-II compatible)

Slots

SLOT 1 / SLOT 2, each a multi slot for CFexpress Type A or SD; supports relay, simultaneous, and sorted recording across both cards

Lens mount



Mount

Sony E-mount

Outputs



HDMI

HDMI Type A jack

USB

USB Type-C, SuperSpeed USB 5Gbps (USB 3.2), USB Power Delivery compatible

Microphone

Ø 3.5 mm stereo mini jack

Headphones

Ø 3.5 mm stereo mini jack

Multi Interface Shoe

Digital audio interface; 4-channel/24-bit output with compatible accessories

Wi-Fi

IEEE 802.11a/b/g/n/ac, 2.4 GHz / 5 GHz

Bluetooth

Ver. 5.0, 2.4 GHz

Power



Rated input

7.2 V

Battery

Rechargeable battery pack NP-FZ100

Power consumption, viewfinder

Approx. 4.3 W (stills) / approx. 7.6 W (movies), with FE 28-70 mm F3.5-5.6 OSS

Power consumption, monitor

Approx. 3.3 W (stills) / approx. 7.3 W (movies), with FE 28-70 mm F3.5-5.6 OSS

USB power supply

Yes, via USB Type-C (USB Power Delivery compatible)

Body



Weight

699 g (1 lb 8.7 oz), including battery pack and SDXC memory card

Dimensions

128.9 × 96.9 × 80.8 mm (5 1/8 × 3 7/8 × 3 1/4 in)

Operating temperature

0 °C to 40 °C (32 °F to 104 °F)

Storage temperature

–20 °C to 55 °C (–4 °F to 131 °F)

Notes

FOMO's kit ships with a Sigma MC-11 EF-E adapter.

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