The A7 III sold in enormous numbers and is still bought heavily second-hand years after being replaced. That makes it one of the most important entries in this archive: buyers are no longer asking whether it is a good camera, they are asking what breaks on a seven-year-old body with an unknown shutter count.
OutlineNot enough dataCore details are recorded, but specifications are still incomplete.
- Sensor format
- Full Frame
- Effective resolution
- 24.2 MP
- Continuous shooting
- 10 fps
- Rated stabilisation
- 5 stops
- Maximum video resolution
- 4K
- Card slots
- 2
Overview
Reliability
Derived from approved ownership reports. Rates describe what owners told this archive, not manufacturer failure statistics.
Reliability score
Not yet published
No ownership reports have been submitted for this product yet. A score appears once enough owners have reported.
Known issues0 documented
Recurring problems documented from owner reports and published sources, each with its own record.
No issues documented yet
No recurring problems have been documented for this product. That may mean it is reliable, or simply that the archive has not collected enough reports yet — the report count above tells you which.
Specifications
Recorded from manufacturer documentation. Fields with no recorded value are omitted rather than guessed.
Sensor
| Sensor format | Full Frame |
|---|---|
| Effective resolution | 24.2 MP |
| Sensor type | BSI Cmos |
| Sensor dimensions | 35.8 × 23.8 mm |
| Image processor | BIONZ X |
| Native ISO range | ISO 100–ISO 51,200 |
Shutter and drive
| Continuous shooting | 10 fps |
|---|---|
| Electronic shutter | Yes |
| Sensor shield when powered offProtects the sensor during lens changes. Relevant to dust-related complaints. | No |
Autofocus
| Autofocus type | Hybrid |
|---|---|
| Focus points | 693 |
| Frame coverage | 93 % |
| Low-light focus limit | -3 EV |
| Subject detection | Human EYE, Animal EYE |
Stabilisation
| In-body stabilisation | Yes |
|---|---|
| Rated stabilisation | 5 stops |
Video
| Maximum video resolution | 4K |
|---|---|
| Maximum frame rate | 30 fps |
| Internal bit depth | 8 BIT |
| Internal raw video | No |
| CoolingPassive cooling is the usual cause of thermal shutdown complaints. | Passive |
Viewfinder and screen
| Viewfinder | Electronic |
|---|---|
| Viewfinder resolution | 2,359,296 dots |
| Rear screen | Tilting |
| Screen resolution | 921,600 dots |
Storage and power
| Card slots | 2 |
|---|---|
| Supported cards | SD UHS I, SD UHS II |
| Battery | NP-FZ100 |
| Rated battery life | 710 shots |
Build
| Body material | Magnesium Alloy |
|---|
Compatibility
The mount this body or lens uses, the image circle it covers, and how its physical size compares to the rest of the category.
Sony ENative mount
Covers Full frame and APS-C
Physical size
Width126.9 mm
Height95.6 mm
Depth73.7 mm
Scaled against the largest camera with recorded dimensions in the archive.