Quote Originally Posted by Mustafa Umut Sarac View Post

I contacted with DAG also , they sell clear glass ones.
To remove the outer bezel on early Leicas, and clone rangefinder widows, a piece of hard rubber is best, mine is recycled from bottom of a metal chair leg. You push down hard and turn.
Some of the optic glasses are peened in, (i.e. the metal is flowed over edge) and difficult to remove (or replace) cleaning the optics carefully is normally sufficient, take care with front surfaced partial mirrors
Simpler getting a Fed 1g in good condition...

Noel