Nikon D100 vs Nikon D40

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

Nikon D100
Nikon D40

Manufacturing

These cameras are both manufacturered by Nikon.

Nikon D100 were released 2002 and Nikon D40 was released 2006. 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 D100 Nikon 2002
Nikon D40 Nikon 2006

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 D100 75 mm (a Nikon DX sensor have a crop factor / focal length multiplier by * 1.5)
Nikon D40 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 D100 has a 6 MP (Megapixels) resolution while Nikon D40 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 D100 6 MP 6016000 3008 2000
Nikon D40 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 D100 200-1600
Nikon D40 200-3200

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.

Here is a complete overview of which lenses that work with each camera:
Lens compatibility chart for Nikon D100
Lens compatibility chart for Nikon D40

Pictures per second

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

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

Ability to record movies

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

Though, neither Nikon D100 or Nikon D40 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 D100 780 gr 1,72 lb
Nikon D40 522 gr 1,15 lb