Sony Alpha a7R III Black 2017
A 42MP full-frame BSI-CMOS sensor paired with a BIONZ X processor enables 10fps bursts and 399-point AF with Eye AF tracking for humans and animals. In-body 5-stop stabilization and UHD 4K 30p 10-bit S-Log3 video recording offer creative flexibility, though the body lacks weather sealing. It’s best suited for streamers, vloggers, and YouTube creators needing high-resolution stills and capable video in controlled environments.
About This Camera
A 42MP full-frame BSI-CMOS sensor paired with a BIONZ X processor enables 10fps bursts and 399-point AF with Eye AF tracking for humans and animals. In-body 5-stop stabilization and UHD 4K 30p 10-bit S-Log3 video recording offer creative flexibility, though the body lacks weather sealing. It’s best suited for streamers, vloggers, and YouTube creators needing high-resolution stills and capable video in controlled environments.
- Type mirrorless
- Sensor 42MP full-frame
- Af points 399
- Burst fps 10
- Video 4K @30fps
- Ibis
- Weight g 128
Overview
Performance
Pros & Cons
Pros
- Strong evf (93th percentile) 93th
- Strong connectivity (93th percentile) 93th
- Strong af (87th percentile) 87th
- Strong stabilization (85th percentile) 85th
Cons
- Below average build (2th percentile) 2th
- Below average social proof (19th percentile) 19th
Specifications
Full Specifications
Sensor
| Type | BSI-CMOS |
| Size | full-frame |
| Megapixels | 42 |
| ISO Range | 100 |
| Processor | BIONZ X |
Autofocus
| AF Points | 399 |
| Eye AF | Yes |
| Animal AF | Yes |
| Subject Detection | Yes |
Shooting
| Burst (Mechanical) | 10 |
| Electronic Shutter | Yes |
Video
| Max Resolution | 4K |
| 4K FPS | 30 |
| 10-bit | Yes |
| Log Profile | Yes |
| Codec | H.264, H.265 |
Display & EVF
| Screen Size | 3 |
| Touchscreen | Yes |
| Articulating | Yes |
| EVF Resolution | 3690000 |
Build
| Weight | 0.1 kg / 0.3 lbs |
Connectivity
| Wi-Fi | Yes |
| Bluetooth | Yes |
| USB | USB 3.1 Gen 1 Type-C |
| HDMI | Micro HDMI |
| Hot Shoe | Yes |
Value & Pricing
Price History
vs Competition
| Spec | Sony Alpha a7R III | Fujifilm X-H2 X-H2 | Canon EOS R6 Mark III R6 Mark III | Nikon Z Z9 | Panasonic LUMIX GH7 GH7 | OM System OM-1 Mark II OM-1 Mark II |
|---|---|---|---|---|---|---|
| Type | mirrorless | mirrorless | mirrorless | mirrorless | mirrorless | mirrorless |
| Sensor | 42MP full-frame | 40.2MP aps-c | 32.5MP full-frame | 45.7MP full-frame | 25.2MP micro-four-thirds | 20.4MP micro-four-thirds |
| AF Points | 399 | 425 | 1053 | 493 | 315 | 1053 |
| Burst FPS | 10 | 20 | 40 | 30 | 75 | 120 |
| Video | 4K @30fps | 8K @60fps | 6K @120fps | 8K @120fps | 5K @120fps | 4K @60fps |
| IBIS | true | true | true | true | true | true |
| Weather Sealed | false | true | true | true | true | true |
| Weight (g) | 128 | 579 | 609 | 1160 | 721 | 511 |
| Compare | Compare | Compare | Compare | Compare |
| Product | Af | Evf | Build | Burst | Video | Sensor | Battery | Display | Connectivity | Social Proof | Stabilization |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sony Alpha a7R III | 86.5 | 93.3 | 2.3 | 65.3 | 44.3 | 62.1 | 45 | 84 | 93.3 | 18.9 | 84.7 |
| Fujifilm X-H2 X-H2 Compare | 88.3 | 95.6 | 89.3 | 85.2 | 99.9 | 97.3 | 96.9 | 84 | 93.3 | 94.6 | 93.6 |
| Canon EOS R6 Mark III R6 Mark III Compare | 98.6 | 87.9 | 94.7 | 93 | 89.5 | 58.5 | 96.5 | 99.1 | 93.3 | 94.6 | 99.6 |
| Nikon Z Z9 Compare | 90.8 | 89.5 | 99.6 | 96.1 | 98.9 | 64.6 | 97.3 | 84 | 93.3 | 84.7 | 84.7 |
| Panasonic LUMIX GH7 GH7 Compare | 84.7 | 87.9 | 97.6 | 95.1 | 97.3 | 56 | 89.4 | 84 | 93.3 | 94.6 | 96.2 |
| OM System OM-1 Mark II OM-1 Mark II Compare | 98.6 | 90.2 | 88.8 | 99.8 | 84.7 | 41.1 | 94.3 | 84 | 93.3 | 94.6 | 99.6 |
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
