Nikon D810 vs Nikon D40
This is a full comparison between the cameras Nikon D810 and Nikon D40. We compare them by looking at the categories you see below.
These cameras are both manufactured by Nikon.Nikon D810 were released 2014 and Nikon D40 was released 2006. That is a 8 years difference. In tech, this period can be of interest since technology is always improving, etc.
Type of camera
Both these cameras are DSLR cameras. No difference there.
Sensors / crop factor
These cameras have different sensors. Nikon D810 has a "FX"-sensor while Nikon D40 has a "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 **|
|Nikon D810||50 mm
No crop factor/focal length multiplier
|Nikon D40||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 (Nikon)
Nikon D810 has a 36 MP (Megapixels) resolution while Nikon D40 has 6 MP. If we break down this in more detail this is the data behind the numbers:
7360 x 4912
3008 x 2000
Nikon D810 has a 501 % larger resolution than Nikon D40. 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.
Nikon D810 has a larger ISO-range than Nikon D40. Nikon D810 has an ISO range that stretches from 64 to 12800 while Nikon D40 has 200 to 3200.
Autofocus and lens compatibility
There is a big difference between these two cameras. Nikon D810 has a built-in autofocus motor but Nikon D40 does not. If you want to be able to use autofocus on Nikon D40 there is a need for having an autofocus motor inside the lens. We really encourage you to look closely at our lens compatibility charts at the links below.
Here is a complete overview of which lenses work with each camera:
Lens compatibility chart for Nikon D810
Lens compatibility chart for Nikon D40
Pictures per second
Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Nikon D810 can shoot up to 5 pictures per seconds and Nikon D40 can shoot up to 2,5 pictures per seconds.
|Camera||FPS (Frames per second)|
Ability to record movies
It is becoming more and more popular to record movies with digital cameras.
Though, neither Nikon D810 or Nikon D40 can shoot movies so if that is a functionality that you are really looking for you should look elsewhere.
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 D810 weighs 980 gr (equal to 2,16 lb) which is 88% heavier than Nikon D40 and its 522 gr (or 1,15 lb).
|Nikon D810||980 gr
|Nikon D40||522 gr