The Nikon Type K3 Focusing Screen is the standard interchangeable focusing screen that comes with the Nikon FM3A camera. This Matte/Fresnel screen features a split-image rangefinder spot surrounded by a microprism ring, and a 12mm center-weighted area reference circle. Ideal for general use.
In the Box
Nikon K3 Focusing Screen for FM3A Cameras (Replacement)