Camera Details
Sony
a7R III
$3,199~
MSRP (prices vary)
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Released: November 25, 2017
Highlights
- A 42MP full-frame camera that paired high resolution with 10 fps speed and dual slots.
- Improved Eye AF, IBIS and battery life for demanding stills shooters.
- 4K video and a pixel-shift high-res mode for landscape and studio work.
Who it's for
The Sony a7R III is a 42.4MP full-frame mirrorless camera, aimed at high-resolution detail work. Here's where it fits and what to keep in mind.
Best for
- ✓Video and filmmaking — 4K up to 30p, 10-bit internal and Log.
- ✓Landscapes, studio and big prints — 42.4MP of detail with room to crop.
- ✓Travel and the outdoors — in-body stabilisation plus weather sealing.
- ✓Paid/professional work — dual card slots and a sealed body for reliability.
Keep in mind
- !Video is capped at 29 minutes per clip.
Full-Frame
Sensor
42.4MP
Resolution
4K
Max Video
○
IBIS
10fps
Burst
399
AF Points
Full Specifications
Imaging
| Sensor Type | BSI CMOS |
|---|---|
| Sensor Size | Full-Frame |
| Image Processor | BIONZ X |
| Effective Resolution | 42.4 MP |
| Lens Mount | Sony E |
Exposure Control
| ISO Range (Native) | 100 – 32000 |
|---|---|
| ISO Range (Extended) | 50 – 102400 |
| Mechanical Shutter | 1/8000 |
| Electronic Shutter | 1/8000 |
| Flash Sync Speed | 1/250 |
| Built-in Flash | No |
Still Image Capture
| Continuous Shooting | 10 fps |
|---|
Video Capture
| Max Resolution | 4K |
|---|---|
| 8K Recording | − |
| 4K Recording | Up to 30p |
| 1080p Recording | Up to 120p |
| 10-bit Internal | Yes |
| Recording Limit | 29 min |
| Log Profiles | S-Log3 / HLG |
| Built-in Mic | Stereo |
| Headphone Jack | Yes |
| Mic Input | Yes |
| HDMI Output | Micro (Type D) |
Focus
| Phase Detect Points | 399 |
|---|---|
| Contrast Detect Points | − |
| Low Light AF | -2 EV |
| Eye AF | Yes |
| Animal AF | Yes |
| Vehicle AF | No |
Viewfinder
| EVF Type | OLED |
|---|---|
| EVF Resolution | 3.69M dots |
| EVF Magnification | 0.78x |
Monitor
| LCD Size | 3" |
|---|---|
| LCD Resolution | 1.44M dots |
| LCD Type | Tilting |
| Touch Screen | Yes |
Interface
| Wi-Fi | Wi-Fi 5 |
|---|---|
| Bluetooth | v4.2 |
| USB | USB-C 3.1 Gen 1 |
| Memory Card Slots | 2x SD (1x UHS-II) |
| GPS | No |
General
| Price (MSRP) | $3,199 |
|---|---|
| Body Material | Magnesium Alloy |
| Dimensions | 126.9×95.6×73.7 mm |
| Weight | 657g (1.45 lb) |
| Weather Sealed | Yes |
| In-Body Stabilization | Yes |
| Battery Life (EVF) | 650 shots |
| Battery Life (LCD) | 800 shots |
| Battery Type | NP-FZ100 |
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