cheap coma corrector for f4 newt
I want to try and use my f4 newt more often. Unfort I sold my coma corrector with my 8 inch newt. Anyone got a spare cheapish one I could try? GSO or bintel brand etc
could also swap for stuff if need be- I have a cupboard full of stuff
Graham
Last edited by graham.hobart; 02-09-2016 at 08:57 AM.
|