Canon Speed Finder FN brand_Robot and diopter adjustment is smooth

and diopter adjustment is smooth

but it’s certainly larger than a Takumar

The Bronica GS-1 is a medium-format SLR that can shoot formats up to 6x7cm on 120 rollfilm

If you're curious

well made changing bag for loading daylight tanks or film holders

Canon Speed Finder FN brand_Robot and diopter adjustment is smoothAn impressive monument of a viewfinder, the Speed Finder FN is designed to fit the Canon New F 1 (not the F 1 or F 1N) and provide an adjustable high eyepoint viewfinder image. The Speed Finder FN will let you see a full frame image with your eye up to 60mm (a little over 2 inches) away, and the eyepiece rotates 180 degrees for vertical shooting. In excellent condition, with original case.