[Author Prev][Author Next][Thread Prev][Thread Next][Author Index][Thread Index]
Re: [ATM] First Timer Polishing Questions
> Bob May wrote:
>
> The point to the laser test is to look for remaining pits after your
> unaided eyes have reached their limit of detection. As Bob says, you
> are looking for scattered sparklies. There may be quite a few of them,
> but they are few enough that they don't form a visible haze anymore.
> Aluminizing or silvering also has a way of showing up remaining pits
> all too well :(
>
> Mark Holm
> mdholm@telerama.com
Yes but also remember that a little error does not show up at the
eye piece... it takes a lot of error for an expert to notice it visually...
I am not saying to make a bad mirror, just realize it will never be perfect!
Tom
GotGrit.com
_______________________________________________
ATM mailing list http://www.atmlist.net/