Made of black anodized aluminium the KIWIFOTOS LMA-M42_N1 adaptor permits user to use M42 universal screw mount lenses (from Zeiss, Pentax, Praktica, Mamiya and Zenit) and macro accessories (35mm and DSLRs) on NIKON DSLR camera. The lens will fit physically, auto-focusing control and camera modes which control exposure by automatically adjusting aperture are not retained, however. Preserve all focusing range up to the infinity point.