Canon 100mm viewfinder experimental Interior dimensions are approximately 13x30x40cm

Interior dimensions are approximately 13x30x40cm

The Olympus MMF-2 lets you mount Four Thirds system lenses to Micro Four Thirds cameras- which is nice

If you're looking for a traditional timer

The Carl Zeiss Planar 80mm f2

5 N for Mamiya 645 is a good quality manual focus short telephoto lens for the Mamiya 645 system

Canon 100mm viewfinder experimental Interior dimensions are approximately 13x30x40cmThis is a streamlined viewfinder that will give you some idea of what your 100mm lens is about to take a picture of. "Some idea" because there are no framelines here, just an image with a black mask at the edges, and the eye relief isn't great. It's clear, though, and the built in parallax adjustment is effective. Assume that this will let you know what you're pointing at rather than what your picture is going to look like and you'll have a better