Illustration, not a product photo.

Sony · 2018 · Mirrorless · Sony E / FE

Sony Alpha A7 III

Plentiful used. One of the cheapest ways into full frame with modern eye autofocus.

Full frameOlder modelBudgetPortraitsAstrophotographyLandscape
New ≈No longer sold new
Used at MPB*£339–904
See used stock at MPB ↗Lenses for this camera

Overview

The Sony Alpha A7 III is a 2018 Full frame 24MP mirrorless camera on the Sony E / FE mount. It shoots up to 10 frames per second, records 4K 30p video and has in-body stabilisation, and it's weather sealed. Plentiful used. One of the cheapest ways into full frame with modern eye autofocus.

It's best suited to portraits, astrophotography, landscape. In our database, 78 lenses fit it natively (61 from third-party makers such as Sigma, Tamron, Samyang), 27 more work in crop mode, and 1 fit with an adapter.

Used at MPB it currently sells for £339 to £904 depending on condition, and it's no longer sold new.

Key specifications

Released2018
TypeMirrorless
SensorFull frame (36×24mm, 1× crop)
Resolution24 megapixels
Max burst10 fps
Sensor readout≈65ms (Slow)
Max ISO51,200
Low-light score5/5
StabilisationIn-body (IBIS)
ViewfinderElectronic
Video4K 30p
Weather sealedYes
Weight650 g with battery
MountSony E / FE
Strengths
  • Full-frame sensor for low light and shallow depth of field
  • In-body image stabilisation with every lens
  • Weather sealing for rain and dust
  • Strong value used, from £339
Things to consider
  • Slow sensor readout: use the mechanical shutter for fast action
  • Older autofocus generation; check shutter count and battery health when buying used

Compatible lenses

78 native · 27 crop mode · 1 adapted in our database

LensFitFocalApertureWeightNew ≈Used (MPB)
Viltrox AF 28mm f/4.5 Chip
Everyday & travel · Vlogging & video
Native
Third-party
28mmf/4.560g£89£43–72
Viltrox AF 20mm f/2.8
Vlogging & video · Everyday & travel
Native
Third-party
20mmf/2.8155g£149£140–154
Viltrox AF 40mm f/2.5 Air
Everyday & travel · Vintage / film look
Native
Third-party
40mmf/2.5130g£149£99–101
Viltrox AF 14mm f/4 Air
Landscape · Vlogging & video
Native
Third-party
14mmf/4180g£169—
Viltrox AF 50mm f/2 Air
Portraits · Everyday & travel
Native
Third-party
50mmf/2175g£169£154–159
Sony FE 50mm f/1.8
Portraits · Everyday & travel
Native
First-party
50mmf/1.8186g£229£80–113
Samyang 14mm f/2.8 ED AS IF UMC (manual)
Astrophotography · Landscape
Native
Third-party (manual focus)
14mmf/2.8552g£299£112–164
Viltrox AF 28mm f/1.8
Everyday & travel · Astrophotography
Native
Third-party
28mmf/1.8330g£299£219–239
Viltrox AF 85mm f/1.8 II
Portraits
Native
Third-party
85mmf/1.8540g£349£159
Samyang AF 24mm f/1.8
Astrophotography · Vlogging & video
Native
Third-party
24mmf/1.8230g£399£229–294
Samyang AF 75mm f/1.8
Portraits
Native
Third-party
75mmf/1.8230g£399£159
Sony FE 28-60mm f/4-5.6
Everyday & travel
Native
First-party
28-60mmf/4-5.6167g£449£126
Sony FE 85mm f/1.8
Portraits
Native
First-party
85mmf/1.8371g£499£194–259
Samyang AF 14mm f/2.8 FE
Astrophotography · Landscape
Native
Third-party
14mmf/2.8485g£499£214–304
Sigma 45mm f/2.8 DG DN Contemporary
Everyday & travel · Vintage / film look
Native
Third-party
45mmf/2.8215g£499£309–324
Tamron 70-300mm f/4.5-6.3 Di III RXD
Wildlife & animals · Sports & action
Native
Third-party
70-300mmf/4.5-6.3545g£499£299–369
Samyang AF 50mm f/1.4 II
Portraits
Native
Third-party
50mmf/1.4420g£499£164–354
Viltrox AF 16mm f/1.8
Astrophotography · Landscape
Native
Third-party
16mmf/1.8545g£549£429
Sigma 24mm f/2 DG DN Contemporary
Everyday & travel · Vlogging & video · Astrophotography
Native
Third-party
24mmf/2365g£599£404
Sigma 35mm f/2 DG DN Contemporary
Everyday & travel
Native
Third-party
35mmf/2325g£599£314
Sigma 90mm f/2.8 DG DN Contemporary
Portraits
Native
Third-party
90mmf/2.8295g£599£504–524
Tamron 20-40mm f/2.8 Di III VXD
Vlogging & video · Everyday & travel
Native
Third-party
20-40mmf/2.8365g£599£459
Tamron 28-75mm f/2.8 Di III RXD
Everyday & travel · Portraits
Native
Third-party
28-75mmf/2.8550g£599£544–624
Samyang AF 35mm f/1.4 II
Everyday & travel · Portraits
Native
Third-party
35mmf/1.4645g£599£204–249
Viltrox AF 85mm f/1.4 Pro
Portraits
Native
Third-party
85mmf/1.4650g£599£414
Sigma 65mm f/2 DG DN Contemporary
Portraits · Everyday & travel
Native
Third-party
65mmf/2405g£649£474
Sigma 105mm f/2.8 DG DN Macro Art
Portraits
Native
Third-party
105mmf/2.8710g£699£524–579
Tamron 28-200mm f/2.8-5.6 Di III RXD
Everyday & travel
Native
Third-party
28-200mmf/2.8-5.6575g£699£424–524
Tamron 17-50mm f/4 Di III VXD
Everyday & travel · Vlogging & video · Landscape
Native
Third-party
17-50mmf/4460g£699£404
Samyang AF 85mm f/1.4
Portraits
Native
Third-party
85mmf/1.4568g£699£434–669
Laowa 15mm f/2 Zero-D (manual)
Astrophotography · Landscape
Native
Third-party (manual focus)
15mmf/2500g£699£354
Sigma 28-70mm f/2.8 DG DN Contemporary
Everyday & travel
Native
Third-party
28-70mmf/2.8470g£749£619–704
Tamron 28-75mm f/2.8 Di III VXD G2
Everyday & travel · Portraits
Native
Third-party
28-75mmf/2.8540g£749£564–629
Sigma 24mm f/1.4 DG DN Art
Astrophotography · Landscape
Native
Third-party
24mmf/1.4520g£749£359–509
Tamron 17-28mm f/2.8 Di III RXD
Landscape · Astrophotography
Native
Third-party
17-28mmf/2.8420g£799£499–564
Sigma 16-28mm f/2.8 DG DN Contemporary
Landscape · Astrophotography · Vlogging & video
Native
Third-party
16-28mmf/2.8450g£799£719
Tamron 28-300mm f/4-7.1 Di III VC VXD
Everyday & travel · Wildlife & animals
Native
Third-party
28-300mmf/4-7.1610g£799£589
Tamron 90mm f/2.8 Di III Macro VXD
Portraits
Native
Third-party
90mmf/2.8630g£799£434–449
Viltrox AF 135mm f/1.8 LAB
Portraits
Native
Third-party
135mmf/1.81215g£799£574–599
Sony FE 20mm f/1.8 G
Astrophotography · Landscape · Vlogging & video
Native
First-party
20mmf/1.8373g£849£444–574
Sigma 35mm f/1.4 DG DN Art
Everyday & travel · Portraits · Astrophotography
Native
Third-party
35mmf/1.4640g£849£599
Tamron 16-30mm f/2.8 Di III VXD G2
Landscape · Vlogging & video · Astrophotography
Native
Third-party
16-30mmf/2.8440g£849£779
Samyang AF 14-24mm f/2.8
Landscape · Astrophotography
Native
Third-party
14-24mmf/2.8445g£899£929–944
Samyang AF 24-70mm f/2.8
Everyday & travel · Portraits
Native
Third-party
24-70mmf/2.8645g£899£414
Samyang AF 135mm f/1.8
Portraits
Native
Third-party
135mmf/1.8772g£899£514–554
Viltrox AF 35mm f/1.2 LAB
Portraits · Everyday & travel
Native
Third-party
35mmf/1.21235g£899£554–629
Sony FE 20-70mm f/4 G
Everyday & travel · Landscape · Vlogging & video
Native
First-party
20-70mmf/4488g£999£789–834
Sigma 100-400mm f/5-6.3 DG DN OS Contemporary
Wildlife & animals · Sports & action
Native
Third-party
100-400mmf/5-6.31135g£999£399–774
Sony FE 24-50mm f/2.8 G
Everyday & travel · Vlogging & video
Native
First-party
24-50mmf/2.8440g£1,049—
Sony FE 24-105mm f/4 G OSS
Everyday & travel · Landscape · Vlogging & video
Native
First-party
24-105mmf/4663g£1,099£409–634
Sony FE PZ 16-35mm f/4 G
Landscape · Vlogging & video
Native
First-party
16-35mmf/4353g£1,099£529–764
Sigma 85mm f/1.4 DG DN Art
Portraits
Native
Third-party
85mmf/1.4625g£1,099£569–609
Samyang AF 35-150mm f/2-2.8
Portraits · Everyday & travel
Native
Third-party
35-150mmf/2-2.81090g£1,099£739
Tamron 70-180mm f/2.8 Di III VXD G2
Sports & action · Portraits
Native
Third-party
70-180mmf/2.8855g£1,199£554–769
Tamron 50-400mm f/4.5-6.3 Di III VC VXD
Wildlife & animals · Sports & action
Native
Third-party
50-400mmf/4.5-6.31155g£1,199£689–784
Tamron 150-500mm f/5-6.7 Di III VC VXD
Wildlife & animals
Native
Third-party
150-500mmf/5-6.71725g£1,199£749–794
Sigma 28-45mm f/1.8 DG DN Art
Everyday & travel · Portraits
Native
Third-party
28-45mmf/1.8960g£1,199£979–1,059
Sigma 24-70mm f/2.8 DG DN II Art
Everyday & travel · Portraits
Native
Third-party
24-70mmf/2.8735g£1,299£994–1,139
Sigma 14-24mm f/2.8 DG DN Art
Landscape · Astrophotography
Native
Third-party
14-24mmf/2.8795g£1,299£624–834
Sony FE 50mm f/1.4 GM
Portraits · Everyday & travel
Native
First-party
50mmf/1.4516g£1,399£934
Sigma 15mm f/1.4 DG DN Diagonal Fisheye Art
Astrophotography
Native
Third-party
15mmf/1.4670g£1,399£1,359
Sigma 35mm f/1.2 DG DN Art
Portraits · Everyday & travel · Astrophotography
Native
Third-party
35mmf/1.21090g£1,399£734
Sigma 50mm f/1.2 DG DN Art
Portraits
Native
Third-party
50mmf/1.2740g£1,399£849–1,079
Sony FE 70-200mm f/4 Macro G OSS II
Sports & action · Wildlife & animals · Portraits
Native
First-party
70-200mmf/4794g£1,449£1,119–1,219
Sigma 14mm f/1.4 DG DN Art
Astrophotography · Landscape
Native
Third-party
14mmf/1.41170g£1,499—
Sigma 150-600mm f/5-6.3 DG DN OS Sports
Wildlife & animals · Sports & action
Native
Third-party
150-600mmf/5-6.32100g£1,599£759–989
Sigma 135mm f/1.4 DG Art
Portraits
Native
Third-party
135mmf/1.41420g£1,599£1,619
Tamron 35-150mm f/2-2.8 Di III VXD
Portraits · Everyday & travel
Native
Third-party
35-150mmf/2-2.81165g£1,599£779–1,079
Sony FE 200-600mm f/5.6-6.3 G OSS
Wildlife & animals · Sports & action
Native
First-party
200-600mmf/5.6-6.32115g£1,799£839–1,379
Sony FE 135mm f/1.8 GM
Portraits
Native
First-party
135mmf/1.8950g£1,899£819–854
Sony FE 50mm f/1.2 GM
Portraits
Native
First-party
50mmf/1.2778g£1,999£929–1,159
Sigma 60-600mm f/4.5-6.3 DG DN OS Sports
Wildlife & animals · Sports & action
Native
Third-party
60-600mmf/4.5-6.32495g£1,999£1,679
Sony FE 24-70mm f/2.8 GM II
Everyday & travel · Portraits
Native
First-party
24-70mmf/2.8695g£2,099£1,079–1,479
Sigma 70-200mm f/2.8 DG DN OS Sports
Sports & action · Portraits
Native
Third-party
70-200mmf/2.81300g£2,299£1,359–1,399
Sony FE 70-200mm f/2.8 GM OSS II
Sports & action · Portraits · Wildlife & animals
Native
First-party
70-200mmf/2.81045g£2,799£1,679–1,919
Sigma 500mm f/5.6 DG DN OS Sports
Wildlife & animals
Native
Third-party
500mmf/5.61370g£3,299£1,899–2,079
Sony FE 400mm f/2.8 GM OSS
Sports & action · Wildlife & animals
Native
First-party
400mmf/2.82895g£12,999£7,769
Sony FE 600mm f/4 GM OSS
Wildlife & animals
Native
First-party
600mmf/43040g£13,999—
Sony E 50mm f/1.8 OSS
Portraits
Native · crop
Native, in APS-C mode
50mmf/1.8202g£249£114–169
Viltrox AF 33mm f/1.4
Everyday & travel · Portraits
Native · crop
Native, in APS-C mode
33mmf/1.4270g£249£132–174
Viltrox AF 23mm f/1.4
Everyday & travel · Vlogging & video
Native · crop
Native, in APS-C mode
23mmf/1.4260g£249£169
Viltrox AF 56mm f/1.4
Portraits
Native · crop
Native, in APS-C mode
56mmf/1.4290g£289£130–169
Samyang 12mm f/2 NCS CS (manual)
Astrophotography · Vlogging & video
Native · crop
Native, in APS-C mode
12mmf/2260g£299£120–130
Sigma 30mm f/1.4 DC DN Contemporary
Everyday & travel · Portraits
Native · crop
Native, in APS-C mode
30mmf/1.4265g£339£199–214
Sigma 16mm f/1.4 DC DN Contemporary
Astrophotography · Vlogging & video · Landscape
Native · crop
Native, in APS-C mode
16mmf/1.4405g£399£259–289
Sigma 56mm f/1.4 DC DN Contemporary
Portraits
Native · crop
Native, in APS-C mode
56mmf/1.4280g£399£329–349
Viltrox AF 13mm f/1.4
Astrophotography · Vlogging & video · Landscape
Native · crop
Native, in APS-C mode
13mmf/1.4420g£399£244–274
Viltrox AF 27mm f/1.2 Pro
Everyday & travel · Portraits
Native · crop
Native, in APS-C mode
27mmf/1.2520g£399£324–369
Laowa 9mm f/2.8 Zero-D (manual)
Landscape · Astrophotography · Vlogging & video
Native · crop
Native, in APS-C mode
9mmf/2.8215g£399£199–244
Tamron 18-200mm f/3.5-6.3 Di III VC
Everyday & travel
Native · crop
Native, in APS-C mode
18-200mmf/3.5-6.3460g£449£234–314
Samyang AF 12mm f/2
Astrophotography · Vlogging & video
Native · crop
Native, in APS-C mode
12mmf/2213g£449£144–194
Viltrox AF 56mm f/1.2 Pro
Portraits
Native · crop
Native, in APS-C mode
56mmf/1.2535g£449£389
Sony E 11mm f/1.8
Vlogging & video · Astrophotography
Native · crop
Native, in APS-C mode
11mmf/1.8181g£499£344–424
Sigma 18-50mm f/2.8 DC DN Contemporary
Everyday & travel · Vlogging & video
Native · crop
Native, in APS-C mode
18-50mmf/2.8290g£499£434–479
Sigma 23mm f/1.4 DC DN Contemporary
Everyday & travel · Vlogging & video · Astrophotography
Native · crop
Native, in APS-C mode
23mmf/1.4340g£499£389–399
Viltrox AF 75mm f/1.2 Pro
Portraits
Native · crop
Native, in APS-C mode
75mmf/1.2670g£499£264–369
Sony E 18-135mm f/3.5-5.6 OSS
Everyday & travel
Native · crop
Native, in APS-C mode
18-135mmf/3.5-5.6325g£549£274–384
Sigma 10-18mm f/2.8 DC DN Contemporary
Landscape · Vlogging & video
Native · crop
Native, in APS-C mode
10-18mmf/2.8260g£599£544
Tamron 11-20mm f/2.8 Di III-A RXD
Landscape · Vlogging & video · Astrophotography
Native · crop
Native, in APS-C mode
11-20mmf/2.8335g£599£339–394
Sony E PZ 10-20mm f/4 G
Landscape · Vlogging & video
Native · crop
Native, in APS-C mode
10-20mmf/4178g£649—
Tamron 18-300mm f/3.5-6.3 Di III-A VC VXD
Everyday & travel · Wildlife & animals
Native · crop
Native, in APS-C mode
18-300mmf/3.5-6.3620g£649£414–464
Sigma 16-300mm f/3.5-6.7 DC OS Contemporary
Everyday & travel · Wildlife & animals
Native · crop
Native, in APS-C mode
16-300mmf/3.5-6.7535g£649£539
Tamron 17-70mm f/2.8 Di III-A VC RXD
Everyday & travel · Vlogging & video
Native · crop
Native, in APS-C mode
17-70mmf/2.8525g£699£434–524
Sony E 70-350mm f/4.5-6.3 G OSS
Wildlife & animals · Sports & action
Native · crop
Native, in APS-C mode
70-350mmf/4.5-6.3625g£899£504–664
Sony E 16-55mm f/2.8 G
Everyday & travel · Vlogging & video
Native · crop
Native, in APS-C mode
16-55mmf/2.8494g£1,199£714
Sony 70-400mm f/4-5.6 G SSM II
Wildlife & animals · Sports & action
Adapted
Via Sony LA-EA5 adapter, autofocus on recent bodies
70-400mmf/4-5.61500gDiscontinued£249–809

Starter kits with the Alpha A7 III

Portraits · Sony · 2018

Used Sony value

A used A7 III with Eye AF is still a superb portrait camera. Spend the savings on glass.

  • Sony Alpha A7 III body (typical used at MPB)£620
  • Sony FE 85mm f/1.8≈£499
  • Sony FE 50mm f/1.8≈£229
  • Godox TT685 II speedlight (Sony)≈£110
  • Spare Sony NP-FZ100 battery≈£80
  • Messenger camera bag≈£70
Kit total≈£1,608
Only sold used now.

Similar cameras to compare

Canon

EOS RP

Full frame
2019MirrorlessOlder model
26MP
5fps max
—readout ms
40kmax ISO
Low light 485g
New ≈No longer sold new
Used at MPB*£334–484

The cheapest full frame in this guide. Short battery life, so carry spares.

BudgetBeginner-friendlyAstrophotographyPortraits
Nikon

D5

Full frame
2016DSLROlder model
20.8MP
12fps max
OVFviewfinder
102kmax ISO
Low light 1405g · sealed
New ≈No longer sold new
Used at MPB*£309–1,589

Pro sports DSLR from 2016. Built like a tank, with excellent high-ISO performance.

Sports & actionWildlife & animalsBudget
Full frame
2016DSLROlder model
20.2MP
14fps max
OVFviewfinder
51.2kmax ISO
Low light 1530g · sealed
New ≈No longer sold new
Used at MPB*£279–1,109

Pro sports DSLR from 2016. Heavy, but tough and very cheap used.

Sports & actionWildlife & animalsBudget

Batteries and memory cards

Battery

Sony NP-FZ100 · maker's battery about £65

Z-series battery used across Sony's full-frame bodies, the A6600/A6700, ZV-E10 II and FX cameras. Third-party: SmallRig/Mathorn USB-C versions from about £35. Carry at least one spare.

Card slots

2× SD (UHS-II)

A V30 UHS-I card is enough for stills; a V60 UHS-II card clears bursts faster.

Batteries, cards and accessories explained →

How the Alpha A7 III compares

Featured in: best camera for astrophotography

Where to buy

*Used prices on this site come from MPB on 5 November 2026. MPB only lists what it has bought in, so "None listed" means none in their stock that day, not that Sony Alpha A7 III is hard to find. Check these trusted UK dealers too.

See example photos

Real-world shots taken with the Sony Alpha A7 III. Results are searches on each site, so check the camera or lens listed in each photo's details.

Frequently asked questions

Is the Sony Alpha A7 III good for portraits?

Yes. Full-frame sensor for low light and shallow depth of field. In-body image stabilisation with every lens. Pair it with around 85mm equivalent with a fast aperture (f/1.8 or brighter) for background blur.

Is the Sony Alpha A7 III good for astrophotography?

Yes. Full-frame sensor for low light and shallow depth of field. In-body image stabilisation with every lens. Pair it with wide (14–24mm equivalent) and fast (f/2.8 or brighter) to gather starlight.

What lenses fit the Sony Alpha A7 III?

It uses the Sony E / FE mount. 78 lenses in our database fit natively, including 61 third-party options, and 1 more via adapter (Nikon FTZ).

How much is a used Sony Alpha A7 III?

At MPB, used examples range from £339 to £904 (checked 5 November 2026), depending on cosmetic grade from Heavily used to Like new.

Does the Sony Alpha A7 III have image stabilisation?

Yes, it has in-body image stabilisation (IBIS), so every lens is stabilised.

Own one or thinking of it?