The Leitz VIDOM is an adjustable viewfinder for lenses from 35mm to 135mm. This one’s working, but not in the finest shape: the top accessory shoe is missing one edge, which doesn’t affect viewfinder function but will prevent other accessories from mounting to the top of the viewfinder. The eyepiece rotation is a bit stiff, and the optics are slightly cloudy. It’s not perfect! You could even call it a bit of a project. But if you’re looking for a good deal on an adjustable viewfinder, here’s one that could do the trick.