For maxgruzen, and anyone else interested: I haven't figured out how to upload photos (of course, I haven't taken the time to try, so perhaps soon), but I measured the Voitlander 75mm viewfinder. It sits exactly 27/32nds of an inch above the top level of the hotshoe, and is exactly that same amount wide. It is round, with a very attractive styling, posh looking, kind of Art Deco. And, befitting its lovely appearance, it actually comes in a little cobalt blue velveteen drawstring bag like a piece of jewelry. It fits very snugly into the hotshoe, more so than the black Voitlander I got for the DP2M (which wasn't an exact match focal length-wise, but close enough). I wear about a size 7 ring, and that is the size and appearance of the viewfinder, just this small ring sitting atop the camera. --Barbara