Quote Originally Posted by jochen View Post
there are versions of the M 6 with different viewfinder magnifications. The standard is 0.72 x and has frames for 28, 35, 50, 75, 90 and 135 mm, the 0.85 has a stronger magnification which is better suited for tele lenses and has no frame for 28 mm. In the following series also a 0,58 x magnification was introduced which is better for wide angles and not for tele lenses. The first M 3 had 0.92 x which was the most exact rangefinder, especially for 135 mm.

Thanks! I had no idea there were so many options.