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

Thanks for looking.
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 Thanks for looking.