[Leica] W A L T E R C O N T R A S T L E N S E

[Frank Filippone]

I just wondered... couldn't you do the same thing with a bit of colored plastic and some clear tape over the RF window of any M?
Plastic could come from a candy wrapper?  After all, it is not part of any optical image path......  Maybe an old Wratten gel filter?

Frank Filippone
Red735i at verizon.net


?Anyone have any experience/knowlege with this *Walter Contrast Lens*??

I was not able to find reviews.

Thanks,
/matt