Image: Pocket stereoscope
Size of this preview: 800 × 563 pixels. Other resolutions: 320 × 225 pixels | 1,942 × 1,367 pixels.
Original image (1,942 × 1,367 pixels, file size: 1.45 MB, MIME type: image/jpeg)
Description: Pocket stereoscope from Zeiss with original test image. Unknown date, but probably from the fifties. This type of instrument was used by military to examine stereoscopic pairs of vertical aerial photographs.
Title: Pocket stereoscope
Credit: Self-photographed
Author: Joaquim Alves Gaspar
Usage Terms: Creative Commons Attribution 2.5
License: CC BY 2.5
License Link: https://creativecommons.org/licenses/by/2.5
Attribution Required?: Yes
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