Focusing problems with the fresnel groundglass on the Chamonix 45N-1?

Quote:

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Originally Posted by Jac@stafford.net

Like this? I cannot imagine a GG protector that could be in place when focusing. Can the OP post a snapshot of his?

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Similar to that but made from clear plastic. I suppose I should have posted an image of one when I asked the question.

Something similar to THIS is what I was asking about.