[Ignatz]

I've read a lot about it. Mybe when I'm retired!
Right now, two daughters (11y and 18m) use up most of my available patience, lol!

[RightWhale]

Yeah, I know. The big thing is setting apart a dust-free place to do grinding and optical testing. You'll need a fairly long sightline so you can check focal lengths and mirror figures. It isn't easy with a growing family inhabiting the same space.