|
|
|||||
|
Be the first pioneers to continue the Astronomy Discussions at our new Astronomy meeting place... The Space and Astronomy Agora |
Re: Sun Projector
Forum List | Follow Ups | Post Message | Back to Thread Topics | In Response To Posted by Rick Crockett on December 10, 2000 02:06:54 UTC |
Any number of combinations of scope and eyepiece will produce a 4" diameter circle. Your effective focal lenght is about 480 inches so for an 8" scope your effective f-ratio is f:60
|
|
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 |