Nikon 50mm f4 EL-NIkkor brand_Shen Hao The Star accepts standard 35mm

The Star accepts standard 35mm film cassettes

4x focal length boost (at the price of one stop of light)

In other words: yes

so they get very hot- they are definitely not toys- but if you need to fill a room with light

with minor surface staining (mostly on the back

Nikon 50mm f4 EL-NIkkor brand_Shen Hao The Star accepts standard 35mmThe Nikon 50mm f4 EL Nikkor is a lens designed for use on enlargers with 39mm lens threads. This lens will mount to Leica Thread Mount cameras (which are also 39mm) but will not work at all, not even a little bit. Don't buy this for your camera: it's for enlargers. It's clean, and in excellent condition, with original box and case.