Back to Home

ATM Forum Message

Forums: Atm · Astrophotography · Blackholes · Blackholes2 · CCD · Celestron · Domes · Education
Eyepieces · Meade · Misc. · God and Science · SETI · Software · UFO · XEphem
RSS Button

Home | Discussion Forums | Amateur Telescope Making | Post

Be the first pioneers to continue the Astronomy Discussions at our new Astronomy meeting place...
The Space and Astronomy Agora
Polishing Pads

Forum List | Follow Ups | Post Message | Back to Thread Topics | In Response To
Posted by Robert May on November 8, 2001 22:31:00 UTC

I prefer to use the pads as they cut down on the time to polish the glass. Get a polish first and don't worry about the fine stuff and then refine the polish to a good sphere and then figure. One of the mirror makers at the group just got his 12.5" mirror polished out in about 6 hours of polishing including the futzing around. He's now got about 1/2 hour of pitch work to make the mirror a good sphere and after that, a bit of time to get it to the parabolic state. Working with pitch, that would have been a lot longer to do for the same results.
The choice is yours but mine is use the pads. When you apply them, make sure that the tool is good and clean, especially of body oils or the pads will lift. Don't use too much CeO or the pads will fill up and not work as well.

Follow Ups:

Login to Post
Additional Information
About Astronomy Net | Advertise on Astronomy Net | Contact & Comments | Privacy Policy
Unless otherwise specified, web site content Copyright 1994-2024 John Huggins All Rights Reserved
Forum posts are Copyright their authors as specified in the heading above the post.
"dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET"
are trademarks of John Huggins