Hello,
I have an older 12.5" Parks newtonian mirror that has an excellent figure. But its coatings are starting to wear thin around the edges. The poor old thing is also quite dirty. Yes, it had a bath about 8 months ago (with distilled water, tap plus a drop of Ivory soap, and a final rinse of distilled water). The other day it was out with a bunch of new Obsessions--besides being dwarfed by them its mirror looked awful next to theirs during daylight.
In this regard I recently ran across an article on the web about some type of cleaning solution used by some restorers of an antique scope. The article described just brushing the solution on, letting it dry, and peeling it off. Supposedly the authors believed this was the best way to clean optics without placing any pressure on the surface. The solution is nontoxic and readily available at most pharmacies. For the life of me, I can not find the article or remember the name of the product. Any ideas???
This sounded good for cleaning uncoated refractor objectives which I have plus maybe my reflector mirror.
Thanks
I have an older 12.5" Parks newtonian mirror that has an excellent figure. But its coatings are starting to wear thin around the edges. The poor old thing is also quite dirty. Yes, it had a bath about 8 months ago (with distilled water, tap plus a drop of Ivory soap, and a final rinse of distilled water). The other day it was out with a bunch of new Obsessions--besides being dwarfed by them its mirror looked awful next to theirs during daylight.
In this regard I recently ran across an article on the web about some type of cleaning solution used by some restorers of an antique scope. The article described just brushing the solution on, letting it dry, and peeling it off. Supposedly the authors believed this was the best way to clean optics without placing any pressure on the surface. The solution is nontoxic and readily available at most pharmacies. For the life of me, I can not find the article or remember the name of the product. Any ideas???
This sounded good for cleaning uncoated refractor objectives which I have plus maybe my reflector mirror.
Thanks
