Sony Alpha a7R III Review


Brand: Sony
Model: Alpha a7R III
Megapixels: 42.40
Sensor: 35.9 x 24 mm

Sensor Details

Sony Alpha a7R III has a 35.9 x 24 mm CMOS sensor with 1.7 mm diagonal and a surface area of 43.18 mm².
43.18 mm
Surface area
861.6 mm²
Pixel pitch
4.5 µm
Pixel area
20.25 µm²
Pixel density
4.94 MP/cm²

Sensor Size

This is the actual size of the Alpha a7R III sensor: 35.9 x 24 mm
The sensor surface area is 861.6 mm². There is a resolution of 42,400,000 pixels. Resolution shows the width from the center of one photosite to the center of the following.

The pixel area is 20.25 µm². Pixels give lighter capture and the more data can be recorded.

Sony Alpha a7R III pixel density is 4.94 MP/cm². Pixel density shows how many million pixels meet in one square cm of the sensor.


Brand: Sony
Model: Alpha a7R III
Megapixels: 43.60
Sensor size: 35.9 x 24 mm
Sensor type: CMOS
Sensor resolution: 7976 x 5317
Image resolution: 7952 x 5304
Optical zoom:  
Digital zoom:
ISO: Auto, 100-32000 (expands to 50-102400)
RAW support:
Manual focus:
Normal focus range:n/a
Macro focus range:n/a
Focal length:n/a
Aperture priority:
Max aperture:n/a
Depth of field: simulate →
Metering types: Multi, Center-weighted, Spot
Exposure Compensation:
Shutter priority:
Min. shutter speed:30s
Max shutter speed:1/8000s
Built-in flash:
External flash:
Viewfinder: Electronic
Screen size: 3"
Screen resolution: 1,440k dots
Video available:
Video resolution:3840 x 2160
Video modes:30p/25p/24p
Storage types: SD/SDHC/SDXC/MS PRO Duo
USB: USB 3.0 (5 GBit/sec)
Wireless available:
Battery model:NP-FZ100
Battery type:lithium-ion
Weight: 657 g
Body size:126.9 x 95.6 x 73.7 mm
Released: 2017

Compare Alpha a7R III


More popular comparisons of Sony Alpha a7R III: