In the course of my learning with an old Gundlach, I have found the groundglass (probably original) to be very course. I find it difficult to focus quite often because it is course enoguh to obscure a lot of the fine detail you use in focusing. I think I would like to try replacing it and see if I am happier. On the other hand, if there is anything I can do to the existing glass to make it finer, I would prefer that.
I read somewhere that a very fine gg can be made by drying skim milk on one side of clear window glass and then varnishing over it. Has anyone done this?
Any other recommendations that, preferably, cost very little (I'm a student...a poor one at that)?
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