Used Sony A7S III (2020) for Sale — From £1757 | UsedLens.co.uk

£1756.65 Low price

£3769.00 High price

39 Listings

4 Retailers

6 New this week

23 Reduced

Great for: video low light general

Sony's dedicated low-light video body with 12MP sensor optimised for clean high-ISO footage.

The Sony Alpha A7S III was announced in July 2020 as the third-generation A7S, designed as Sony's reference video camera for the FE system. Its 12.1MP full-frame BSI CMOS sensor prioritises per-pixel size and readout speed over resolution, enabling ISO sensitivity up to 102400 natively — and up to 409600 expanded — for extreme low-light video that higher-resolution sensors cannot achieve at equivalent noise levels. 4K video records at up to 120fps in 10-bit internally. The NP-FZ100 battery provides approximately 600 shots per charge.

The 12.1MP full-frame BSI CMOS sensor pairs with dual BIONZ XR processors. The 759-point phase-detection AF system provides fast subject tracking for video use. Burst shooting runs at 10fps for stills. 4K records at up to 120fps in 10-bit 4:2:2 internally; 4K 12-bit RAW is available via HDMI output at up to 60fps to compatible external recorders. The 5.5-axis IBIS is rated at 5.5 stops. Dust and moisture resistance is built in. Battery life approximately 600 shots using the NP-FZ100, body weight approximately 699g with battery and card, dual card slots (one CFexpress Type A and one SD UHS-II).

The A7S III's practical purpose is extreme low-light video: the 12.1MP sensor at ISO 102400 native produces usable footage in conditions where any higher-resolution sensor would be unusable. For documentary, news, and event videography in mixed or minimal ambient light, the A7S III extends what is practically achievable. 4K/120fps enables 5× slow motion in full resolution. The 12.1MP resolution is adequate for high-quality still photography but limits large-format printing and cropping versus higher-resolution bodies.

The A7S III holds strong used value as Sony's video reference camera. Condition checks: IBIS operation, both card slot contacts (CFexpress A and SD), and dust/moisture sealing at the body seams. The NP-FZ100 battery is widely compatible across the A9, A7 IV, A7R V, and A6700 lineup — spares and accessories are broadly available. The Sony FX3 is the cinema-body equivalent with the same sensor in a cine-form factor. Compatible with all Sony FE-mount full-frame and APS-C E-mount lenses.

Sony A7S generations

This page covers the Sony A7S III (2020). Not to be confused with the other models in this line:

Avg £2074, up 1.2% over 1 month

Price history ↓

Get Alerts

Email me when a match is listed.

As an eBay Partner, we may be compensated if you make a purchase through eBay links on this page.

ProductPriceRetailer

Sony Alpha 7S III ILCE7SM3/B Full Frame Mirrorless Camera eBay

£1756.65 £1858.65

eBay

Sony Alpha A7S III Camera Body Only Mirrorless Camera 4K Camera In Original Box eBay

£1799.00 £1849.00

eBay

Sony Alpha a7S iii - Camera Body (Shutter count 808) and accessories. eBay

£1842.70 £1944.70

eBay

Sony Alpha A7S III Well Used MPB

£1859.00 £1909.00

MPB

Sony Alpha A7S III ILCE7SM3 Digital Camera - Black eBay

eBay

Sony Alpha A7s III Mirrorless Interchangeable Lens eBay

eBay

Sony Alpha A7S III Good MPB

£1939.00 £1979.00

MPB

Sony Alpha A7S III Good MPB

£2009.00 £2049.00

MPB

Sony A7S III Mirrorless Camera (Body, box, charger) eBay

£2011.65 £2164.65

eBay

Sony Alpha A7S III Good MPB

MPB

Sony a7S III Mirrorless Digital Camera Body Park Cameras

£2029.00 £2079.00

Park Cameras

Sony Alpha A7S III Good MPB

MPB

Sony Alpha A7S III Good MPB

£2029.00 £2069.00

MPB

Sony a7S III Mirrorless Digital Camera Body Park Cameras

£2029.00 £2079.00

Park Cameras

Sony Alpha A7S III IR Converted Recent Like New MPB

MPB

Sony Alpha A7S III Good MPB

£2049.00 £2099.00

MPB

Sony Alpha A7S III Good MPB

£2059.00 £2109.00

MPB

Sony Alpha A7S III Good MPB

£2059.00 £2109.00

MPB

Sony Alpha a7S III Mirrorless Digital Camera (Body Only) 12MP, 350 Shutter Count eBay

£2089.00 £2099.00

eBay

Sony Alpha A7S III Excellent MPB

£2099.00 £2139.00

MPB

Sony Alpha A7S III Excellent MPB

£2109.00 £2159.00

MPB

Sony Alpha A7S III Excellent MPB

£2129.00 £2169.00

MPB

Sony a7S III Mirrorless Digital Camera Body 1 Park Cameras

£2149.00 £2189.00

Park Cameras

Sony Alpha A7S III Like New MPB

MPB

Sony a7S III Mirrorless Digital Camera Body 1 Park Cameras

£2149.00 £2189.00

Park Cameras

Sony a7S III Mirrorless Digital Camera Body 1 Park Cameras

Park Cameras

Sony a7S III Mirrorless Digital Camera Body 1 Park Cameras

£2149.00 £2189.00

Park Cameras

Sony a7S III Mirrorless Digital Camera Body 1 Park Cameras

£2149.00 £2189.00

Park Cameras

Sony Alpha A7S III Excellent MPB

£2159.00 £2199.00

MPB

Sony A7S III Digital Camera Body Recent Wex

Wex

Sony A7S III Mirrorless Digital Camera Body with Tilta Cage - eBay

eBay

Sony A7siii eBay

eBay

Sony Alpha A7S III 12.1MP Mirrorless Camera (Body Only) With Cage eBay

eBay

Sony A7S III 12.1MP Digital Camera – Body Only eBay

£2682.00 £3218.40

eBay

SONY A7S III FULL FRAME CAMERA + SMALLRIG CAGE & NATO RAIL Kit eBay

eBay

Sony Alpha 7S III with SMALLRIG cage Kit eBay

eBay

SONY A7S III 4K Camera A7S3 + 5 LENS, TRIPOD, MONITOR, CAGE, LIGHT, MIC, GIMBAL Kit eBay

eBay

Sony Alpha a7 III ILCE-7M3 28-70 / 70-350 / 18-135 Lenses Shutter 1994 FREEPOS eBay

eBay

Sony A7S III Camera Body - Pristine / Barely Used! + SmallRig Rig Bundle eBay

Used Sony A7S III price history

Tracking the used Sony A7S III price? Over the past month, the average has risen 1.2%, from £2049 to around £2074. Depending on shutter count and condition, expect to pay between £1957 and £2149 for a used body.

Average market price (line) and typical price range (shaded). Source: UsedLens daily price index, 11 Jun – 23 Jul 2026.