Sony a99 vs Canon EOS 5DS R

This is a full comparison between the cameras Sony a99 and Canon EOS 5DS R. We compare them by looking at the categories you see below.

Sony a99

Canon EOS 5DS R

Manufacturing

Sony a99 is manufacturered by Sony but Canon EOS 5DS R is from Canon. Both Sony and Canon are well known brands though.

Sony a99 were released 2012 and Canon EOS 5DS R was released 2015. That is a 3 years difference. In tech, this period can be of interest since technology is always improving, etc.

Camera	Released
Sony a99	2012
Canon EOS 5DS R	2015

Type of camera

Sensors / crop factor

Even though the camera sensors might be called differently they are both considered Full frame which means that the focal length of the lenses is not affected. There is no crop factor on any of these cameras and sensors.

Camera	Focal length, 50mm f/1.8 **
Sony a99	50 mm Full-frame sensor No crop factor/focal length multiplier
Canon EOS 5DS R	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 (Canon)

Resolution

Sony a99 has a 24 MP (Megapixels) resolution while Canon EOS 5DS R has 51 MP. If we break down this in more detail this is the data behind the numbers:

Camera	Megapixels
Sony a99	24 MP 24000000 pixels 6000 x 4000
Canon EOS 5DS R	51 MP 50320896 pixels 8688 x 5792

Canon EOS 5DS R has a 110 % larger resolution than Sony a99. 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 a99 has a larger ISO-range than Canon EOS 5DS R. Sony a99 has an ISO range that stretches from 100 to 25600 while Canon EOS 5DS R has 100 to 6400.

Camera	ISO Range
Sony a99	100-25600
Canon EOS 5DS R	100-6400

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 a99
Lens compatibility chart for Canon EOS 5DS R

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Sony a99 can shoot up to 6 pictures per seconds and Canon EOS 5DS R can shoot up to 5 pictures per seconds.

Camera	FPS (Frames per second)
Sony a99	6
Canon EOS 5DS R	5

Ability to record movies

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

In this case, both Sony a99 and Canon EOS 5DS R 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.

Canon EOS 5DS R weighs 930 gr (equal to 2.05 lb) which is 15% heavier than Sony a99 and its 812 gr (or 1.79 lb).

Camera	Weight
Sony a99	812 gr 1.79 lb
Canon EOS 5DS R	930 gr 2.05 lb