Sokkia PS4A Pocket Stereoscope Vintage Optical photogrammetrists Map Viewer

Sokkia PS4A Pocket Stereoscope Vintage Optical photogrammetrists Map Viewer Purpose: Primarily used by surveyors and photogrammetrists to analyze map data and terrain details. Magnification: Generally provides good magnification for enhanced detail. Features: Compact, foldable design with adjustable lenses to match the user's interpupillary distance. This tool is sold as pictured, so please view them all for overall condition. Condition: Used Photos are featuring the item for sale, please view colour shade may differ due to lighting