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

Fwd: Re: [ATM] homemade diagonal

To: atm@atmlist.net
Subject: Fwd: Re: [ATM] homemade diagonal
From: "Matthew L. Brown" <mlbrown@everstrive.com>
Date: Sat, 24 Apr 2004 12:30:45 -0700
List-Archive: <http://home.simoivanov.com/pipermail/atm>
List-Help: <mailto:atm-request@atmlist.net?subject=help>
List-Id: The Amateur Telescope Makers List <atm.atmlist.net>
List-Post: <mailto:atm@atmlist.net>
List-Subscribe: <http://www.atmlist.net/mailman/listinfo.cgi/atm>,<mailto:atm-request@atmlist.net?subject=subscribe>
List-Unsubscribe: <http://www.atmlist.net/mailman/listinfo.cgi/atm>,<mailto:atm-request@atmlist.net?subject=unsubscribe>
Sender: atm-bounces@atmlist.net


>
>I got no responses to my question about testing this telescope with both
>mirrors uncoated.


Bare glass reflects 4% of incident light.
So two bare glass mirrors will reflect 0.16%.
Might work on something really bright, like the moon or Venus.
Personally, I wouldn't dare try using it on the Sun -- never worth the risk.

=Matt



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

Prev by Author: Fwd: RE: [ATM] got steel?
Next by Author: Fwd: [ATM] Unusual testing flat
Prev by thread: [ATM] hole?
Next by thread: Re: [ATM] homemade diagonal
Index(es):
- Author
- Thread