Sony a9 vs Nikon Z50

This is a full comparison between the cameras Sony a9 and Nikon Z50. We compare them by looking at the categories you see below.

Sony a9

Nikon Z50

Manufacturing

Sony a9 is manufacturered by Sony but Nikon Z50 is from Nikon. Both Sony and Nikon are well known brands though.

Sony a9 were released 2017 and Nikon Z50 was released 2019. That is a 2 years difference. In tech, this period can be of interest since technology is always improving, etc.

Camera	Released
Sony a9	2017
Nikon Z50	2019

Type of camera

Both these cameras are Mirrorless cameras. No difference there.

Sensors / crop factor

These cameras have different sensors. Sony a9 has a "Sony Full Frame"-sensor while Nikon Z50 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 a9	50 mm Full-frame sensor No crop factor/focal length multiplier
Nikon Z50	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 a9 has a 24 MP (Megapixels) resolution while Nikon Z50 has 21 MP. If we break down this in more detail this is the data behind the numbers:

Camera	Megapixels
Sony a9	24 MP 24000000 pixels 6000 x 4000
Nikon Z50	21 MP 20668416 pixels 5568 x 3712

Sony a9 has a 16 % larger resolution than Nikon Z50. 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

Both of these cameras offer the exact same ISO range. They both have 100 to 51200.

Camera	ISO Range
Sony a9	100-51200
Nikon Z50	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 a9
Lens compatibility chart for Nikon Z50

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Sony a9 can shoot up to 20 pictures per seconds and Nikon Z50 can shoot up to 11 pictures per seconds.

Camera	FPS (Frames per second)
Sony a9	20
Nikon Z50	11

Ability to record movies

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

In this case, both Sony a9 and Nikon Z50 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 a9 weighs 673 gr (equal to 1.48 lb) which is 50% heavier than Nikon Z50 and its 450 gr (or 0.99 lb).

Camera	Weight
Sony a9	673 gr 1.48 lb
Nikon Z50	450 gr 0.99 lb