Nikon FM2 / FE2 Okularschutzglas (Accessories)
This use of the Okularschutzglas only works in conjunction with the adapter Nikon DK 22 and the eye cup DK 3. That's Perfectly styled. Mined series Eye protection and plug adapter on it, Eyecup DK 3 on the right and rumm with Okularschutzglas tighten