RE: Helical crayfords?

From: Mark Bracewell ^lt;mbracewell_at_No-Spam>
Date: Tue Apr 05 2005 - 14:01:57 MST

Yep, that's the beastie. Is the 1" travel a problem at all? I suppose
one could use the money saved to get some parfocal rings... Would you
campare it favorably with a regular crayford of similar price, say an
RCF mini?

--
Mark Bracewell - markb@No-Spam
> -----Original Message-----
> From: sf-bay-tac-bounces@No-Spam 
> [mailto:sf-bay-tac-bounces@No-Spam] On Behalf Of Craig Colvin
> Sent: Tuesday, April 05, 2005 1:49 PM
> To: The Astronomy Connection
> Subject: RE: [TAC] Helical crayfords?
> 
> 
> I'm not sure if this is a crayford helical or not, but I have 
> a KineOptics HC-1 helical focuser on my 8" string scope and 
> am very impressed with it. Very smooth motion, with the 
> ability to do very fine focusing. Also relatively inexpensive 
> and light weight.
> 
http://www.kineoptics.com/HC-1.html
-- Craig
> -----Original Message-----
> From: sf-bay-tac-bounces@No-Spam 
> [mailto:sf-bay-tac-bounces@No-Spam]On
> Behalf Of Mark Bracewell
> Sent: Tuesday, April 05, 2005 12:23 PM
> To: The Astronomy Connection
> Subject: [TAC] Helical crayfords?
>
>
>
> I'm curious about this design, anyone have opinions, experience with 
> them?
Received on Tue Apr 5 14:03:36 2005

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