This is the mount of the Nikon D3000. Note that it does not have an autofocus pin because it does not have a built-in focus motor.

This is the mount of the Nikon D3000. Note that it does not have an autofocus pin because it does not have a built-in focus motor.

This is the mount of the Nikon D3000. Note that it does not have an autofocus pin because it does not have a built-in focus motor.