But you cannot replace an M3 finder -- there are no parts available. You need a donor camera to do it.
Replacements done by Leica or by Sherry, DAG, etc. are done with the M6J finder, which is .85 magnification.
For the skilled repairers, almost anything is possible.
Some years ago I bought an MDa at a good price, intending it to be a dedicated body for the 15mm CV Heliar. I found I didn't use it much, and at about that time I found a beater M3 that had a pristine finder. I asked Sherry if she could marry the two. She put the MDa innards into an M4 shell with the M3 finder and today it is one of my favorite cameras. On the outside, it looks like an M4 (except no serial number) and has an M3 finder. When you open it up, if you know how to identify the MD innards, you can see it still has the strip which differentiates them.
Last edited by Rolfe Tessem; 01-09-2014 at 06:41 PM. Click to view previous post history.