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Re: [photo-3d] Ultra Hi resolution digital photography with scanner technology


  • From: Brian Reynolds <reynolds@xxxxxxxxx>
  • Subject: Re: [photo-3d] Ultra Hi resolution digital photography with scanner technology
  • Date: Wed, 11 Apr 2001 17:09:09 -0400

Franklin J. Flocks wrote:
>        On April 6, 2001, Brian Reynolds wrote:
> 
>        "The scanning backs for 4x5 cameras can currently just about 
>        match half-frame 35mm film.  The actual image size of the 
>        sensing surface (usable area) is actually quite a bit smaller 
>        than 4x5, usually smaller than medium format.In all fairness, 
>        some of the more expensive cameras and backs do exceed 16mm"
>        film."
>        ___________________________
> 
>        This is not true.- With a scanning back, resolution far 
>        greater than 35mm film is possible - What you lose is 
>        your exposure time which may run up to 200 seconds as the
>        sensor moves across the "film plane."  - With a panoramic
>        set up, resolution of 6000 by 65,000 pixels is possible. 
> 
>        See for example:
> 
>       http://www.sjphoto.com/index.shtml     
> 

Once again I would like to ask people to be more careful with their
attributions.  I did not write the section quoted above, John
Rupkalvis did.  In fact in my reply to John (where I also pointed out
an attribution error) I even mentioned Stephen Johnson's web site that
Franklin quoted from.

-- 
Brian Reynolds                  | "Dee Dee!  Don't touch that button!"
reynolds@xxxxxxxxx              | "Oooh!"
http://www.panix.com/~reynolds  |    -- Dexter and Dee Dee
NAR# 54438                      |       "Dexter's Laboratory"

 

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