Mamiya RB Prism Finder Model 2 for RB67 Professional Film Camera

going to show you how to use the Mamiya RV 67 Pro also going to show you how to field-strip it as well as load film starters flip up the waist level viewfinder the shutter pull the dark slide out now you can either put this in your pocket or a little rivet here a little notch here Clark's life fits handily right there spin it back around use these large knobs on the side there on both sides to focus and then when you're ready to shoot of course you shoot now there's a couple other things you need to know particularly with the 50 and the 65 millimeter lenses if your focusing at anything closer than infinity you have to adjust the floating optics in the lens this ring does not adjust your focus it only adjusts the floating optics and you do this by first of all reading your distance on the distance scale here corresponding with either of the 50 or the 65 millimeter slope and then you dial