Leica Viewfinders Leica 20cm finder for 200mm Telyt Lens WEISO, Early Black 35mm Finder SBLOO 35mm Finder in Chrome - Amazing View though this Finder Type SBOOI 50mm Finder in Chrome SGVOO early marked 'GmbH', later models did not have this engraving and were in dual meter/feet format SOOUT 1943 90mm Finder with Parallax Correction AHOOT 1936 Reflecting Waist Level Finder, a variation of the AYOOC with added 28mm swing down correction window.  Allowed 28mm & 50mm viewing. RASUK Folding Finder with 35mm, 50mm, 73mm, 90mm, 105mm & 135mm framelines.  WOW!  Later Version with RAMET mask making a RASAL.  Quite a versatile finder.  Folds easily into place and fits in your shirt pocket. WINTU Early Right Angle Finder in Black Paint.  Allowed a laterally reversed view of the subject.  The swing down window allowed use of the rangefinder focusing as well as viewing.  If you want to be inconspicuos when taking pictures of your subjects try one of these!  You look through your camera from the side with one of these mounted and noone will ever suspect that you are taking a picture of them. 1933 VIDOMCHROM - Chrome version of the zooming VIDOM finder.  Allows views of 35mm, 50mm, 73mm, 90mm, 105mm & 135mm with parallax adjustment.  The rotating rectangular masks allowed easy viewing of the subject in horizontal and vertical formats.