The D3 features 12.1 effective megapixels and a sensitivity range from ISO 200 to 6,400 at normal setting. The image sensor of the D3 is a CMOS sensor

The D3 features 12.1 effective megapixels and a sensitivity range from ISO 200 to 6,400 at normal setting. The image sensor of the D3 is a CMOS sensor developed by Nikon with a sensing area of 36.9 x 23.9 mm that is compliant with what is known as “35-mm full size”.