But he urges unless you've done a good old pencil and pad set of foucault readings to not use his software
And I can disagree, you need a little understanding of what the readings are really telling you so you can check the computer and realize if something is way off whack Glad this was posted, hope more people start testing/making their own mirrors!
-------------------- Clear Skies and Good Health, Mitchell.
ATM:
4.5" F/3.75 ~ 6" F/6.5 ~ 8" F/8.25 (Polishing) ~ 10" F/4.8