I would not modify a finder; not worth it. You may consider an external finder.
I recommend a M6 for a metered 35mm frame. Pair with a Minolta 40, a near match on film for 35m framelines.
Migrate to any metered M. You need to adjust to the finder accuracy. It helps to process your own prints in a DR. With a M6 finder, at 15/20 feet, frame the shot and take one step forward; then shoot. At 12 feet and closer just frame and shoot.
Last edited by Richard Jepsen; 10-13-2012 at 02:28 PM. Click to view previous post history.