Image of the day

Captured by
Bruce Karbal

Bat and Squid

About Astromart

My Account

New to Astromart?

Register an account...

Need Help?

Ronchigrams from my machine made mirror

Started by Gold Mtn, 07/19/2010 07:05PM
Post Reply
Posted 07/19/2010 07:05PM Opening Post
Rob Wiederrich
View public profile Send a private message to Rob Wiederrich Find more posts by Rob Wiederrich Find threads started by Rob Wiederrich
Forum Member
Gold Mtn's avatar

Join Date: Jul 2009

Location: Bremerton WA, US

Posts: 351

I'm just finishing up my 13"f/4.5, 1" mirror. All the grinding/polishing and figuring was done on machine.

A comparative ronchi test was done and here is the ronchigram inside ROC.

Attached Image:

Gold Mtn's attachment for post 51461
Quote
Eternity is a long time to be wrong.....so accept Jesus as your Savior.
Posted 07/19/2010 07:05PM #1
Rob Wiederrich
View public profile Send a private message to Rob Wiederrich Find more posts by Rob Wiederrich Find threads started by Rob Wiederrich
Forum Member
Gold Mtn's avatar

Join Date: Jul 2009

Location: Bremerton WA, US

Posts: 351

And one outside ROC.

Attached Image:

Gold Mtn's attachment for post 137768
Quote
Eternity is a long time to be wrong.....so accept Jesus as your Savior.
Post Reply

Funding Member

Sponsors


View all sponsors

Search