External viewfinders for Barnacks

[philipus]

The VISOR was designed by Barnack himself for the Leica I with interchangeable lenses; it shows framelines for 35mm, 50mm and 135mm lenses. It shows a mirror image and has no parallax-correction. Use on later cameras is a bit awkward because the position of the foot. On later cameras a VIDOM or VIOOH is more appropiate.

Erik.

Thanks Erik, this is very helpful.
cheers
philip