[Author Prev][Author Next][Thread Prev][Thread Next][Author Index][Thread Index]

Re: [ATM] Figuring question



Lance,

lance clarke wrote:
> Thanks Mike,
> I really appreciate the advice, especially how to better use figure XP.

You're welcome, I hope it helps.  Remember, this is my take on 
figuring, and there are many ways to get to a finished mirror.

> Also, just to let you know, I'm not using a 10 zone mask, I'm using 2 
> alternating 5-zone masks.  I find that even with 5 zones it can be hard 
> to judge the very outside zone due to diffraction.  I think my next 
> upgrade to my tester is to rig up a finderscope or something else low 
> power, in order to judge the outside zones better.

If the two five-zone masks have zones that overlap each other, that's 
a good thing.  A 2x or 3x scope will help quite a bit.

Please keep us updated on your progress.  If you're enjoying the 
figuring process, I encourage you work on the outer zones' correction. 
  Correcting the center is easier and can be done after the outer ones 
are close.

	Mike L.

_______________________________________________
ATM mailing list http://www.atmlist.net/