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Re: Helical Focus Mechanisms


  • From: Alan Zinn <azinn@xxxxxxxxxx>
  • Subject: Re: Helical Focus Mechanisms
  • Date: Tue, 30 May 2000 16:48:54 -0400

At 08:07 AM 5/30/2000 +0200, you wrote:
>Pentax make a helical focussing mount as a close-up attacchment for the 6x7.
>Craig
>Craig Woods
>PO Box 91 Honeydew
>South Africa 2040
>Tel: 082-322-2851
>cwoods@xxxxxxxxxxx
>
>----- Original Message ----- 
>From: Glenn Barry <glenn@xxxxxxxxxxx>
>To: <Panorama-l@xxxxxxxxxxxxxxxxx>
>Sent: 30 May 2000 03:50
>Subject: Helical Focus Mechanisms
>
>
>> Hi All,
>> Does anyone know of a source for helical focus mechanisms, I have
>> checked out Zoerk and they may be a possibility. In Particular I am
>> looking to build focus mounts for a 90 f4.5 Nikkor SW and a 300 f5.6
>> Schneider Xenar., Any tips appreciated, and I am more than happy to
>> cannabalise/modify cheap lenses etc etc.
>> 
>> Thanks
>> Glenn
>> --
>> Glenn Barry Photography
>> 2/13 Gerroa Avenue
>> Bayview
>> N.S.W. 2104
>> Australia
>> Ph (612) 9211 3080
>> Mobile 0415 279 366
>> E-Mail: mailto:glenn@xxxxxxxxxxx
>> Web: http://www.acay.com.au/~glenn
>> 
>> 

Glenn,
Check Edmunds Industrial Optics Cat. (p.84-85, 1999)  They have focus tubes
and such fot C and T mount lenses.  

http://www.edmundscientific.com



AZ
>
>


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