Used Sony A7 III for Sale — From £572 | UsedLens.co.uk

£571.96 Low price

£2275.99 High price

176 Listings

7 Retailers

16 New this week

20 Reduced

Great for: general portrait landscape video travel street

Sony's camera that made full-frame mirrorless mainstream — 24.2MP, 693-point AF, outstanding value.

The Sony Alpha A7 III was released in February 2018 as the third-generation A7 standard model, incorporating the A9's 693-point phase-detection AF system and BSI Exmor R sensor architecture in a mainstream full-frame body. 5-axis IBIS provides approximately 5 stops of stabilisation. 4K/24p records from the full sensor width; 4K/30p applies a 1.2x crop. At approximately 650g the A7 III defined the practical specification baseline for full-frame mirrorless in its generation.

The 24.2MP full-frame BSI Exmor R CMOS sensor pairs with the BIONZ X processor. The AF system provides 693 phase-detection points covering approximately 93% of the sensor area with Real-time tracking. Burst shooting runs at 10fps. 4K/24p uses full sensor readout; 4K/30p applies a 1.2x Super35 crop. 5-axis IBIS. Battery life approximately 710 shots via rear LCD using the NP-FZ100, body weight approximately 650g with battery and card, dual SD card slots (slot 1: UHS-II; slot 2: UHS-I only).

The A7 III's 693-point PDAF system — derived from the A9 — was the significant upgrade over the A7 II's hybrid contrast/phase system, enabling effective continuous subject tracking for sports and wildlife rather than only static subjects. BSI sensor architecture improved high-ISO performance over the frontside-illuminated A7 II sensor. 5-axis IBIS extended handheld capability at slow shutter speeds. The A7 III established what became the standard expectation for full-frame mirrorless: PDAF tracking, BSI sensor, IBIS, and 4K video at a mainstream price.

On the used market the A7 III is available at accessible full-frame mirrorless pricing. The A7 IV (2021) upgraded to 33MP, 759-point PDAF, and 10-bit 4:2:2 internal video. Condition checks: IBIS operation, both SD slot contacts — note slot 2 is UHS-I limited, not UHS-II — NP-FZ100 battery health (shared across the Sony FE full-frame lineup), and weather sealing at port covers. Compatible with all Sony FE-mount full-frame and APS-C E-mount lenses.

Avg £866, down 1.2% over 2 weeks

Price history ↓

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ProductPriceRetailer

Sony Alpha A7 III 24.2 MP Mirrorless Camera - Black (Body Only) eBay

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£714.76 £808.05

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£724.96 £755.56

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£729.00 £769.00

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£736.00 £754.00

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£738.00 £798.00

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£739.00 £799.00

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£754.26 £775.96

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£754.66 £865.95

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£767.00 £769.00

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£769.00 £819.00

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£769.00 £819.00

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£769.00 £819.00

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Sony Alpha A7 III 24.2 MP Mirrorless Camera + Battery eBay

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Sony Alpha A7 III Mirrorless Interchangeable Lens Camera 24MP Body Lens Adapter eBay

£785.45 £826.25

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Sony Alpha A7 III 24.2 MP Mirrorless Camera - Black (Body Only) eBay

£787.65 £818.25

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Sony A7 III Digital Camera Body Wex

£798.00 £799.00

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£819.00 £859.00

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£819.00 £839.00

Used Sony A7 III price history

Tracking the used Sony A7 III price? Over the past two weeks, the average has fallen 1.2%, from £877 to around £866. Depending on shutter count and condition, expect to pay between £770 and £950 for a used body.

Average market price (line) and typical price range (shaded). Source: UsedLens daily price index, 11 Jun – 30 Jun 2026.