The Canon 50/1.4 will block a good portion of the Leica II viewfinder.
The Canon 50/1.8 with its 40mm filter ring does not obscure much at all. Same with a J-3 or J-8, does not block much of the finder.
The Canon 50/1.8 with its 40mm filter ring does not obscure much at all. Same with a J-3 or J-8, does not block much of the finder.