Sony a77 II vs Nikon D4s

This is a full comparison between the cameras Sony a77 II and Nikon D4s. We compare them by looking at the categories you see below.

Sony a77 II

Nikon D4s

Manufacturing

Sony a77 II is manufacturered by Sony but Nikon D4s is from Nikon. Both Sony and Nikon are well known brands though.

These two camera models were both released 2014.

Camera	Released
Sony a77 II	2014
Nikon D4s	2014

Type of camera

Sensors / crop factor

These cameras have different sensors. Sony a77 II has a "Sony APS-C"-sensor while Nikon D4s has a "Nikon FX"-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 a77 II	75 mm Sony APS-C sensor Crop factor/focal length multiplier by * 1.5
Nikon D4s	50 mm Full-frame sensor No crop factor/focal length multiplier

** 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 a77 II has a 24 MP (Megapixels) resolution while Nikon D4s has 16 MP. If we break down this in more detail this is the data behind the numbers:

Camera	Megapixels
Sony a77 II	24 MP 24000000 pixels 6000 x 4000
Nikon D4s	16 MP 16163840 pixels 4928 x 3280

Sony a77 II has a 48 % larger resolution than Nikon D4s. 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

Sony a77 II has a larger ISO-range than Nikon D4s. Sony a77 II has an ISO range that stretches from 100 to 51200 while Nikon D4s has 100 to 25600.

Camera	ISO Range
Sony a77 II	100-51200
Nikon D4s	100-25600

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 a77 II
Lens compatibility chart for Nikon D4s

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Sony a77 II can shoot up to 12 pictures per seconds and Nikon D4s can shoot up to 11 pictures per seconds.

Camera	FPS (Frames per second)
Sony a77 II	12
Nikon D4s	11

Ability to record movies

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

In this case, both Sony a77 II and Nikon D4s 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.

Nikon D4s weighs 1350 gr (equal to 2.98 lb) which is 109% heavier than Sony a77 II and its 647 gr (or 1.43 lb).

Camera	Weight
Sony a77 II	647 gr 1.43 lb
Nikon D4s	1350 gr 2.98 lb