Techniques used

       I have used four cameras to capture these images: 1) a Canon EOS 10S 35 mm camera, slides are scanned with a Nikon Super Coolscan 4000 slide scanner, 2) a Nikon Coolpix 4500 4 megapixel digital camera, usually using the macro settings, 3) a Canon EOS 30D Digital SLR camera, and 4) a Canon EOS 7D.  The images taken with the Canon EOS cameras were with either the Canon macro 50 mm f 2.5 lens or the Canon mcro EF 100 mm f 2.8 lens.

       Two separate images are taken, the second after moving the camera laterally through an circular angle around the object (as the circle’s center) of about 4 degrees (equivalent to about 2 1/2 inches at three feet and something less as the camera approaches the object).  Care is taken to have the center foreground in the same position in the viewfinder and that the two images are registered vertically.  To help insure this registration, I use a sliding stage on a tripod.  I do not use a flash, preferring natural illumination and adjustment of the lighting using digital processing in Photoshop.

        The left and right JPG files are combined into one (JPS file) with the excellent program, StereoPhotoMaker written by Masugi Suto.  This facilitates adjusting the two images so they are precisely aligned and provides many other editing features.  The resulting JPS file has been converted to a Stereoviewer Card format JPG file by Pokescope Professional Version 2.6 (http://www.pokescope.com/).  This program also allows considerable flexibility in combining the two images, but is not quite as easy to use for these purposes than StereoPhotoMaker.  

      The original JPS files allow the images to be viewed in several different stereo format by a variety of plug-ins and other programs.