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Discussion in 'Antiques and Collecting' started by Ian Grant, Jan 4, 2014.
Any idea how these were used I have one (German) and have never seen one before.
Google is your friend. See http://www.earlyphotography.co.uk/site/entry_D8-0.html that I easily found via Google.
stereo images need to be shifted left and right because when they are turned rightside up (they're upside down in the camera) they shift that way.
A transposing frame makes a side-by-side print of the two by allowing you to print one, shift the pair to the side and print the second on the other side of the first, where it belongs. If you fail to transpose them and view the mounted images you get a reverse stereo effect -- stuff that's close looks far, and vice versa.
The transposing frame is used for stereo pairs shot in a large format camera which gives you two images, side-by-side on one piece of film. 35mm cameras shot frames farther apart, with other frames in between, so there are sorting boxes that allow you to cut the frames and automatically transpose them.
Thanks, actually I received a German transposing frame in a box of camera parts last year with no idea of what it was at all. There's one on ebay at the moment hence the question.
"earlyphotography.co.uk" is an excellent web-site I use a lot but I'd not seen that page before.