Nikon D40 vs Nikon D100

This is a full comparison between the cameras Nikon D40 and Nikon D100. We compare them by looking at the categories you see below.

Nikon D40
Nikon D100

Manufacturing

These cameras are both manufacturered by Nikon.

Nikon D40 were released 2006 and Nikon D100 was released 2002. That is a 4 years difference. In tech, this period of time can be of interest since technology is always improving etc.

Camera Manufacturer Released
Nikon D40 Nikon 2006
Nikon D100 Nikon 2002

Type of camera

Both these cameras are DSLR cameras. No difference there.

Sensors / crop factor

Both these cameras have the same sorts sensor (called "DX") which means that if you compare the cameras side by side the lenses will also have the same experienced focal length. Neither of the cameras have a Full frame sensor which means that you will get a "crop factor" where the cameras sensor size effect the focal length with a multiplier.

Camera Experienced focal length when using a lens with 50mm focal length (ex a common "50mm f/1.8")
Nikon D40 75 mm (a Nikon DX sensor have a crop factor / focal length multiplier by * 1.5)
Nikon D100 75 mm (a Nikon DX sensor have a crop factor / focal length multiplier by * 1.5)

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

Resolution

Both these cameras has the exact same resolution. Nikon D40 has a 6 MP (Megapixels) resolution while Nikon D100 has 6 MP. If we break down this in more detail this is the data behind the numbers:

Camera Megapixels Pixel (total) Pixels (width) Pixels (height)
Nikon D40 6 MP 6016000 3008 2000
Nikon D100 6 MP 6016000 3008 2000

ISO range

Nikon D40 has a larger ISO-range than Nikon D100. Nikon D40 has an ISO range that stretches from 200 to 3200 while Nikon D100 has 200 to 1600.

Camera ISO Range
Nikon D40 200-3200
Nikon D100 200-1600

Autofocus and lens compatibility

There is a big diffence between these two cameras. Nikon D100 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.

Lens compatibility chart for Nikon D40
Lens compatibility chart for Nikon D100

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definately be of interest. Nikon D40 can shoot up to 2,5 pictures per seconds and Nikon D100 can shoot up to 3 pictures per seconds.

Camera FPS (Frames per second)
Nikon D40 2,5
Nikon D100 3

Ability to record movies

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

Though, neither Nikon D40 or Nikon D100 can shoot movies so if that is a functionality that you are really looking for you should look elsewhere.

Weight

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

Nikon D100 weighs 780 gr (equal to 1,72 lb) which is 49% heavier than Nikon D40 and its 522 gr (or 1,15 lb).

Camera Weight (in gram) Weight (in pounds)
Nikon D40 522 gr 1,15 lb
Nikon D100 780 gr 1,72 lb