WH 20. GIÁ 9TR500
-max.obseration distance: 80-135m (environmenta illuminance:10-2Lux).
-Magnification: 3.1X.
-Field of view:>28¡ã
-objective focal length: 80mm.
-objective aperrture:70mm.
-focusing range:1.5m~¡Þ.
-Diopter regulating range:-6~+6D.
-Supply voltage:3.0V.
-Battery type:AA*2.
-Overall dimension: 180x80x60 mm.
-Weight: 0.5 KG.
-IR Lamp: Comceraled inside (operating range:65~85m).