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		| kino_eye 
 
 
 Joined: 01 Jul 2002
 Posts: 7
 Location: Los Angeles
 
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				|  Posted: Mon Jul 01, 2002 11:54 pm    Post subject: |   |  
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				| Howdy, I've got an anniversary Speed Graphic with a Zeiss Tessar 135mm f/4.5 which has screw threads...only problem is, I have no idea what size. 
 I would like to use step rings with my existing filters or purchase filters that fit the lens. Anywhere this information is archived? I expect to purchase a 90mm lens soon. Probably Graflex or Wollensak.
 
 Thanks,
 Christopher Lockett
 Cinematographer
 Los Angeles
 
 _________________
 "The sound of silence is all the instruction you'll get." Jack Kerouac, Desolation Angels.
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		| 45PSS 
 
 
 Joined: 28 Sep 2001
 Posts: 4081
 Location: Mid Peninsula, Ca.
 
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				|  Posted: Tue Jul 02, 2002 12:48 am    Post subject: |   |  
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				| http://www.skgrimes.com/adapter/measure.htm 
 Explains how to measure lens threads in depth.  Basically use a precision instrument to measure the inside center of the lens opening.  A micrometer, veneer caliper or simular with a metric scale works best.
 
 Charles
 
 _________________
 The best camera ever made is the one that YOU enjoy using and produces the image quality that satifies YOU.
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