Vologda 200mm f4 Jupiter-21M for M42 Filter Type_UV Riken plastic slip-on lenscap for

Riken plastic slip-on lenscap for select Ricoh TLR cameras

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

so be sure to check your camera's instruction manual for compatibility

it's more like attaching your camera to the flash

Vologda 200mm f4 Jupiter-21M for M42 Filter Type_UV Riken plastic slip-on lenscap forThe Vologda 200mm f4 Jupiter 21M lens is a heavily built telephoto lens, with a metal barrel and a built in retractable lens hood. Its designed for use on M42 mount cameras, and though it has a manual autodiaphragm switch, both work as a manual diaphragm. Not ideal, but totally usable. Optics are clean, and focusing action is nice and smooth.