Sony a7R III vs Nikon Z30

This is a full comparison between the cameras Sony a7R III and Nikon Z30. We compare them by looking at the categories you see below.

Sony a7R III

Nikon Z30

Manufacturing

Sony a7R III is manufacturered by Sony but Nikon Z30 is from Nikon. Both Sony and Nikon are well known brands though.

Sony a7R III were released 2017 and Nikon Z30 was released 2022. That is a 5 years difference. In tech, this period can be of interest since technology is always improving, etc.

Camera	Released
Sony a7R III	2017
Nikon Z30	2022

Type of camera

Both these cameras are Mirrorless cameras. No difference there.

Sensors / crop factor

These cameras have different sensors. Sony a7R III has a "Sony Full Frame"-sensor while Nikon Z30 has a "Nikon DX"-sensor, and their difference in sensors will also affect the crop factor and experience focal length. See the table below.

Camera	Focal length, 50mm f/1.8 **
Sony a7R III	50 mm Full-frame sensor No crop factor/focal length multiplier
Nikon Z30	75 mm Nikon DX sensor Crop factor/focal length multiplier by * 1.5

** Experienced focal length when using a lens such as a common "50mm f/1.8"

Learn more about crop factor and focal length multiplier here:
Camera selection can affect the focal length (Sony)
Camera selection can affect the focal length (Nikon)

Resolution

Sony a7R III has a 42 MP (Megapixels) resolution while Nikon Z30 has 21 MP. If we break down this in more detail this is the data behind the numbers:

Camera	Megapixels
Sony a7R III	42 MP 42177408 pixels 7952 x 5304
Nikon Z30	21 MP 20668416 pixels 5568 x 3712

Sony a7R III has a 104 % larger resolution than Nikon Z30. This could give you more details in the picture but also a possibility to crop more in the pictures, afterward while editing the pictures, if needed that is.

ISO range

Nikon Z30 has a larger ISO-range than Sony a7R III. Nikon Z30 has an ISO range that stretches from 100 to 51200 while Sony a7R III has 100 to 32000.

Camera	ISO Range
Sony a7R III	100-32000
Nikon Z30	100-51200

Autofocus and lens compatibility

Both of these cameras have a built-in autofocus motor. Some lenses, that support autofocus, do not have an autofocus motor of their own but this won't cause any problems with these two cameras.

Here is a complete overview of which lenses work with each camera:
Lens compatibility chart for Sony a7R III
Lens compatibility chart for Nikon Z30

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Sony a7R III can shoot up to 10 pictures per seconds and Nikon Z30 can shoot up to 11 pictures per seconds.

Camera	FPS (Frames per second)
Sony a7R III	10
Nikon Z30	11

Ability to record movies

It is becoming more and more popular to record movies with digital cameras.

In this case, both Sony a7R III and Nikon Z30 can shoot movies.

Weight

The weight of the camera can be an extremely important factor, especially if the camera is about to be used, or carried around, for several hours at a time.

Sony a7R III weighs 657 gr (equal to 1.45 lb) which is 62% heavier than Nikon Z30 and its 405 gr (or 0.89 lb).

Camera	Weight
Sony a7R III	657 gr 1.45 lb
Nikon Z30	405 gr 0.89 lb