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ATM Focuser survey

To: atm@shore.net
Subject: ATM Focuser survey
From: Archer Sully <archer@meer.net>
Date: Sat, 30 Sep 2000 14:49:44 -0600
Reply-To: Archer Sully <archer@meer.net>
Sender: owner-atm@shore.net


I'm looking at upgrading the focuser on my 12.5" f/4.  I'm curious as
to what people's experiences are with the following:

1.  JMI NGF-DX1
2.  Starlight Instruments "Feathertouch"
3.  Crazy Ed 2" Crayford
4.  Black Forest/Van Slyke Newtonian Focuser

Any other high quality Newtonian focusers I've missed?  How about 
(relatively) easy to construct, precise focusers suitable for
lifting heavy loads?

TIA

Archer Sully
Boulder, CO

Follow-Ups:
- Re: ATM Focuser survey
  - From: Lawrence Sayre <lsayre@stratos.net>
- Re: ATM Focuser survey
  - From: Michael Lindner <mikel@att.net>

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