Why are Russian optics so good?

[Element 56]

I was going through some of my bookmarks and came across this article. A lot of you probably already read it but for those who haven't it is an interesting read.
Kirby

http://www.novacon.com.br/lenses08.htm

Edit, I just found this one too and for what it's worth I'm sharing. It's a bunch of old microscope advertisement cutouts. Some interesting ones in the list.

https://www.vintagepaperads.com/search. ... pe&search=