I've got a lens stuck on my F4. Fortunately it's one I don't care one bit about (an old AI Makinon 35-105 piece of junk), but I just can't get the dang thing off the camera. The release button seems ...
A periscope camera lens is a lens assembly that uses prisms, mirrors, or a combination of them to redirect light before it reaches the camera sensor. In doing so, it magnifies the image more so than ...