Nikon

Excellent condition.

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.

Item comes with original packaging.

Contains a Matte/Fresnel field with a 12mm-diameter fine-ground matte focusing spot.
Excellent condition

Nikon Focusing Screen C for Nikon F3. in excellent condition.
Fine matte field with a cross hair reticle in a clear 4mm-diameter center spot. It is a special application focusing screen used for assignments suchas photo-micrography and astrophotography, and other applications involving high magnifications.

Item comes with original box.