2X Pocket Stereoscope for Reading Aerial Photographs

HighlightsModel: PS21.Equivalent to and replacement of  PS2a2.Equivalent to and replacement of  PS2a3.Magnification: 2x4.Interpupillary Distance: 55-75mm5.Metal cast alloy Holders6.Foldaway stainless steel Legs7.Different colors availableSpecificationsModel: PS21.Equivalent to and replacement of  PS2a and PS2a2.Magnification: 2×3.Adjustable Interpupillary Distance (PD): 55-75mm4.Field of View: 125mm×125mm5.Retracted Dimensions: 135mm×70mm×10mm6.Extended Dimensions: 235mm×67mm×10mmNote: Any updating would be subject to occur without prior notice!!Related NamesSurveying Instrument, Surveying Equipment, Surveying Accessory, Measuring Tool,Measuring Equipment, Mapping Tool,Mapping Equipment, Stereoscope, Pocket Stereoscope, Mirror Stereoscope, Aerial Stereoscope, Aerial Photos, Stereo Photos, Geology Equipment, Map Reader,Aerial PhotosFeaturesModel: PS21.An econo-priced portable device for learning and studying aerial photographs2.Lenses made of super-fine optical glass free of distortion 3.Robust metal cast alloy Holders (Frames)4.Quality foldaway stainless steel wire support Legs for easy storage5.Durable vinyl Carrying Bag for easy carrying 6.Different colors available: Black, orange, dark green, pale green,gray, yellow.Packing DetailsModel: PS21.N.W.: 224g (w/o Bag),266g (w.Bag)2.Qty./CTN: 50pcs 3.G.W./CTN: 14kg 4.Size/CTN: 0.018cbm (39cm×27cm×17cm)/* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1