Image of the day

Captured by
Douglas Rollain

M20 Trifid Nebula in LRGBHa

About Astromart

My Account

New to Astromart?

Register an account...

Need Help?

Curved Vane Spider

Started by Bob Chester, 07/25/2002 05:25AM
Post Reply
Posted 07/25/2002 05:25AM Opening Post
Bob Chester
View public profile Send a private message to Bob Chester Find more posts by Bob Chester Find threads started by Bob Chester
Forum Member
Bob Chester's avatar

Join Date: Feb 2002

Location: Seattle WA, US

Posts: 185

Is anyone making a 180* curved vane spider as described in ATM Journal issue #11? Novak makes a curved spider but it doesn't curve the full 180*. Any sourses or ideas?
Quote
Fujinon 10x70 FMT-SX binocs
Tak FS-78 ƒ/8.1 - 630mm fl.
6" ƒ/6.5 homeground newt. - 981mm fl.
10" ƒ/4.85 homeground dob. - 1231mm fl.



Posted 08/01/2002 06:04PM #1
Kevin Morgan
View public profile Send a private message to Kevin Morgan Find more posts by Kevin Morgan Find threads started by Kevin Morgan
Forum Member

Join Date: Aug 2002

Location: Hauppauge NY, US

Posts: 3

What kind of diffraction pattern can one expect to see with a curved vane?
Quote
Post Reply

Funding Member

Sponsors


View all sponsors

Search