It might come under another brand name.. museums use it for long term preservation without compromising the integrity of other finishes, patina ets..
look for something that is microcrystalline wax.. it is in a solution with some kind of solvent. Smells like petrol.. but probably naphtha
They make ones for hunting,, can actually use them for amplifying the sounds of your surroundings.. but they cut out anything over a certain DB. Are also Bluetooth for music.. i forget, but assume they will let in calls too.. i think axil is the brand.. but i dont think they are doing...
I will take a picture. I’m in the north carving wood right now. But if I get back home I will take some pictures, and try to find this thread again
one is a foredoom flex shaft. The other is an emesco belt driven dentist drill…. I prefer the emesco…tho I just busted a belt
My microscope...
Adjustable height (at least) for the part of your bench that supports your ball.
solid. I have frequent occasion to give something a whack. It’s nice if that doesn’t reverberate through the whole benchtop.
storage. You can’t have too much storage. But look at the height that drawers need to...
I’d say the plates are your budget solution, as you can get by with only a very few geometries.. could probably just do 90, I know many who rarely stray far from that….. even cheaper is to sharpen by eye..
There is an advantage to knocking the burr off the apex.. but other than that it depends if you want a bright finish or if you will blacken your lines. If blackening, prolly 600 is good
I’ve made Barlow lenses for my scopes before. For a Olympus.. and maybe the other one was even a Nikon.. can’t remember the exact specs, but I think it was a -3 corrective lens from an eye glasses place, fit into a pvc fitting that I reshaped to fit the objective. .. have done the same ...