Canon Speed Finder FN brand_Lumahawk " Gift cards can be

" Gift cards can be used for purchases in our retail store and on our website

Three-tube extension ring set for Pentax 645 medium format cameras

but actually just about 25cm

This would be a pretty useful accessory if you wanted to use a Viso lens on a digital camera with an LTM adapter

Canon Speed Finder FN brand_Lumahawk " Gift cards can beAn 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.