Nikon Focusing Screen M for Nikon F3 in excellent condition.
Fresnel with Double Cross Hairs and Scales. It comes with a double cross-hair reticle and scales on a clear surface. Recommended for photomicrography, close-ups and other work involving high magnification. This screen provides a brilliant viewing even in low light situation. The markings are good for determining image size and magnification ratios. Requires viewfinder with focusing control.
