Originally Posted by
Doremus Scudder
Alan,
Loupe power is a personal preference; some like more powerful, some less.
The issue of seeing into the corners of the images arises when using very short focal lengths or lots of movements. For this a tilting loupe may be good. However, I prefer a free-floating loupe without a skirt. My current preference is a 5x stamp viewing loupe that collapses into its housing for easy transport. Yes, one has to learn to hold the loupe the right distance from the ground glass, but there's never any need for adjusting to your eyesight with or without glasses. Sometimes I use mine with both progressives and a set of 4x clip-on magnifiers attached. Easy to find the hot spot anywhere on the ground glass.
As for the Fresnel: your Fresnel should have a protective glass cover. If not, you will need to be careful not to scratch the Fresnel screen since it is plastic. I don't know the configuration on the Chamonix cameras.
Best,
Doremus
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