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

[ATM] 290 mm f/7.5 Refractor Design

To: ATM List <atm@atmlist.net>
Subject: [ATM] 290 mm f/7.5 Refractor Design
From: "Richard F.L.R. Snashall" <rflrs@rcn.com>
Date: Sat, 18 Mar 2006 22:50:20 -0500
List-Archive: <http://www.atmlist.net/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
User-Agent: Mozilla Thunderbird 1.0 (Windows/20041206)

290  mm f/7.5;  Flat field; Reasonable correction of astigmatism,
coma and spherical aberration; Reasonable zonal correction; Cheap
glass;  Short, but probably has the color equivalent to a doublet
of the same length -- probably lowers Visual Strehl (0.4827).

    http://users.rcn.com/rflrs/ptz03-33x.atm
    http://users.rcn.com/rflrs/ptz03-33x.len
    http://users.rcn.com/rflrs/ptz03-33x.txt
    http://users.rcn.com/rflrs/ptz03-33x.zmx
_______________________________________________
ATM mailing list http://www.atmlist.net/

Follow-Ups:
- Re: [ATM] 290 mm f/7.5 Refractor Design
  - From: "Richard F.L.R. Snashall" <rflrs@rcn.com>

Prev by Author: Re: [ATM] good news
Next by Author: Re: [ATM] 290 mm f/7.5 Refractor Design
Prev by thread: Re: [ATM] 12 x 12 tile tools?
Next by thread: Re: [ATM] 290 mm f/7.5 Refractor Design
Index(es):
- Author
- Thread