Astro-Berlin Tachonar 75mm f1.0 brand_Manfrotto These Nikon 19mm eyepieces will

These Nikon 19mm eyepieces will fit the Nikon FE and FM series of cameras

Black-rim version

Holds up to 20kg

but it's sturdy enough

3fps advance with focus tracking

Astro-Berlin Tachonar 75mm f1.0 brand_Manfrotto These Nikon 19mm eyepieces willThis is an extremely rare Astro Berlin Tachonar 75mm f1. 0 lens. This is a lens only, without diaphragm or focusing helicoid. Optics are free of haze or fungus, with some dust; the front coating has a fingerprint etched onto it, but this is on the coating only: there's no effect on the glass itself. This lens will easily cover full frame at infinity, with enough flange distance to be adapted to a mirrorless camera. This lens will not fit any specific