1. A portable spent cartridge casing examination imaging apparatus comprising: a spent cartridge casing mounting device for holding the cartridge substantially aligned with a longitudinal axis; a cartridge microscope having an optical axis; a light source for projecting light onto the cartridge head; a camera for obtaining an image through said microscope; a carrying case; means for securing said mounting device, said microscope, said light source and said camera inside said case for transport; and connecting means for solidly assembling said mounting device, said microscope, said light source and said camera together with said longitudinal axis parallel to said optical axis.