I am a member of a low vision support group since I am nearly blind in one eye and can’t see out of the other. Actually I’m not that bad off but I am legally blind in one eye and have issues with the other and regularly receive injections in both eyes. Happily the group occasionally receives equipment from various manufacturers for the visually challenged and none of the other people seem to want them. So I have been given 2 magnifiers like you see here as well as a Google Home. The other magnifier is even larger than this one but I like this one. Magnification is up to 20X. These babies cost about $3700 for this one and $5800 for the other. There are still issues at the higher magnifications but hey, the price was right.
Micro scope yeah just got one ! I had a 1945 Mercury with FSB {MS63/4 my guess} however with the micro scope I see the centre band is not truly full . It also showed a small 1 next to the cop mark on a mexican balance scales peso . The coins are in my gallery on this site .