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Table of Contents
Computations of macro stereoscopic base and window
Close-Up stereoscopy free of distortion
Setting the stereo window
By John Wattie
Practical stereo base in close up stereoscopy
How to take a macro stereo pair  without key-stone distortion.
Taking a portrait  macro picture in landscape format, then cropping for stereo window.
Effective Window distance (e).
Masking 35mm slides to make the window closer (reduce e).
Infinity setting, field of view and magnification.
60x60mm medium format as a stereoscopic standard to compare with computer stereo.
Digitisation of the stereo depth.
In summary: