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Subject : Re: [Anaglyphs] First Attempts Part II
From : David Merrick
To : anaglyphs(-at-)yahoogroups.com
Date : Wed, 13 Oct 2010 18:27:36 -0700 (PDT)


 

Could you please explain the term "stereo window." ? I am eager to understand variables in stereo photography even before I can manipulate them (with better cameras). Is the "stereo window" related to depth of field in any way? That's one phenomenon VERY,VERY missing from cheap cameras.
 
Whilst I'm on the subejct, I did a post-photograph manipulation that may not have been correctly done. In any given photo, if I wanted a 'pop-out" and "sunk in" effect, I adjusted, (to make up my own term,) the "red/cyan shift" to focus on an obeject I wanted to be at screen surfacr level. I have noted in watching anaglyph movies over the years that any object or part of a stereo photo that has no shift but is perfectly "in focus" will be at the surface of the medium (screen if it is a movie, page, if from a book, etc.) So after loading the raw photos into my anaglyph cretion program, I slid the two images back ad forth until a given, chosen item was "in focus" and showed no red or cyan corona.. knowing it would plave that (object) on the smae plane as the surface of my computer screen. Anything behind that object would apper to be "sunk in" to the screem, so to speak, anything in the foreground, in front of that object, would apear to 'pop out."
 
Is there some kind of tradition in stereo photography so as to not to manipulate that effect as I did?
 
That is one common subject I have addressed in my comments on the reactions to my first photo postings: the maximum amount of accumulated wisdom, tradition and technology in the shortest amount of time...
 
Thank you for contributing to that.
 
P.S. Matthew Brady and Ansel Adams don't have to worry about my photos eclipsing their fame any time soon, huh?
Dave/San Francisco


--- On Sat, 10/9/10, Marshall Rubin <mrubin(-at-)hvc.rr.com> wrote:

From: Marshall Rubin <mrubin(-at-)hvc.rr.com>
Subject: Re: [Anaglyphs] First Attempts Part II
To: anaglyphs(-at-)yahoogroups.com
Date: Saturday, October 9, 2010, 12:31 PM

 
This concoction works fairly well, but apparently there?s little room to properly
adjust the stereo window.  Are these film, or digital single-use cameras?
 
Marshall
 

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