Sony Alpha a7 III Black 2018
The 24.2MP full-frame BSI sensor and 693-point hybrid AF system deliver reliable subject tracking and strong low-light performance. Its 5-stop IBIS and 610-shot battery life provide all-day stability and endurance in a weather-sealed 650g body. This camera is best for hybrid shooters covering weddings and events who need consistent autofocus for both stills and 4K HLG video.
Snapshot
Pros & Cons
Pros
- Strong battery (96th percentile) 96th
- Strong build (96th percentile) 96th
- Strong af (94th percentile) 94th
- Strong connectivity (93th percentile) 93th
Cons
What owners think
How owner sentiment changed over time
ExclusiveBased on when customers actually wrote their reviews — so you can see whether early praise held up.
Based on 107 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
Specifications
Full Specifications
Sensor
| Type | CMOS |
| Size | full-frame |
| Megapixels | 24.2 MP |
| ISO Range | 100 |
| Processor | BIONZ X |
Autofocus
| AF Points | 693 |
| AF Type | Phase Detection: 693Contrast Detection: 425 |
| Eye AF | Yes |
| Animal AF | Yes |
| Subject Detection | Yes |
Shooting
| Burst (Mechanical) | 10 |
| Burst (Electronic) | 10 |
| Max Shutter | 1/8000 |
| Electronic Shutter | Yes |
Video
| Max Resolution | 4K |
| 4K FPS | 30 |
| 1080p FPS | 120 |
| 10-bit | No |
| Log Profile | Yes |
| RAW Video | Yes |
| Codec | H.264, XAVC S |
Display & EVF
| Screen Size | 3" |
| Touchscreen | Yes |
| Articulating | Yes |
| EVF Resolution | 2.36 M dots |
Build
| Weather Sealed | Yes |
| Weight | 0.7 kg / 1.4 lbs |
| Battery Life | 610 |
Connectivity
| Wi-Fi | Yes |
| Bluetooth | Yes |
| USB | USB-C 3.0 / 3.1/3.2 Gen 1 |
| HDMI | Micro-HDMI |
| Hot Shoe | Yes |
vs Competition
| Spec | Sony Alpha a7 III | Canon EOS R6 Mark III R6 Mark III | Fujifilm X-H2 X-H2 | Nikon Z Z8 | Panasonic Lumix S S5IIX | OM System OM-1 Mark II OM-1 Mark II |
|---|---|---|---|---|---|---|
| Type | mirrorless | mirrorless | mirrorless | mirrorless | mirrorless | mirrorless |
| Sensor | 24.2MP full-frame | 32.5MP full-frame | 40.2MP aps-c | 45.7MP full-frame | 24.2MP full-frame | 20.4MP micro-four-thirds |
| AF Points | 693 | 1053 | 425 | 493 | 779 | 1053 |
| Burst FPS | 10 | 40 | 20 | 30 | 30 | 120 |
| Video | 4K @30fps | 6K @120fps | 8K @60fps | 8K @120fps | 6K @60fps | 4K @60fps |
| IBIS | true | true | true | true | true | true |
| Weather Sealed | true | true | true | true | true | true |
| Weight (g) | 650 | 609 | 579 | 820 | 658 | 511 |
| Compare | Compare | Compare | Compare | Compare |
| Product | Af | Evf | Build | Burst | Video | Sensor | Battery | Display | Social Proof | Stabilization |
|---|---|---|---|---|---|---|---|---|---|---|
| Sony Alpha a7 III | 94 | 77.7 | 96.2 | 74.4 | 70.3 | 49.1 | 96.3 | 68.9 | 86.4 | 84.7 |
| Canon EOS R6 Mark III R6 Mark III Compare | 98.5 | 87.8 | 94.7 | 92.8 | 89.4 | 58.6 | 96.5 | 98.9 | 97.9 | 99.5 |
| Fujifilm X-H2 X-H2 Compare | 88.1 | 95.6 | 89.4 | 85.1 | 95.4 | 97.4 | 96.9 | 83.7 | 69.8 | 93.6 |
| Nikon Z Z8 Compare | 90.6 | 89.4 | 98.5 | 96 | 99.5 | 64.5 | 89 | 83.7 | 97.9 | 84.7 |
| Panasonic Lumix S S5IIX Compare | 97.3 | 88.3 | 96.7 | 90.6 | 93.1 | 49.1 | 90.3 | 83.7 | 97.9 | 84.7 |
| OM System OM-1 Mark II OM-1 Mark II Compare | 98.5 | 90.2 | 88.9 | 99.8 | 84.5 | 41.2 | 94.3 | 83.7 | 79.4 | 99.5 |
Price
Value & Pricing
B&H Photo 4 offers From $1,200
Best Buy 6 offers From $1,265
Newegg 1 offers From $1,350
Amazon 2 offers From $1,557
Price History
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.