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Re: Tolerance

At 03:18 PM 4/29/99 -0400, you wrote:
>What web site? Please ... Ed Meyers






doing a little dis-assembly:





>dirvin@xxxxxxxxxxxxxxxxx     ~   centuryoptics.com   ~
www.centuryoptics.com~


http://www.centuryoptics.com     <------ CLICK HERE!



>46.5mm is the correct flange focal distance for Nikon Lenses.  Make sure
>that in your mounting that the lens mount is parallel to the focal plane.
>We use tolerances of +.0000" -.0005" for our systems, and require
>parallelism to be within .0002".
>
>I have measured focal length on a great many Nikon Lenses and find that
>the focal length marked is usually pretty accurate.
>
>Dan Irvin
>Century Optics.



>dirvin@xxxxxxxxxxxxxxxxx

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