*NV- 2000
-max.obseration distance:30-90m (environmenta illuminance:10-2Lux).
-Magnification: 2.5X.
-Field of view:>20¡ã
-objective focal length: 60mm.
-objective aperrture:50mm.
-focusing range:1.0m~¡Þ.
-Diopter regulating range:-4~+4D.
-Supply voltage:3.0V.
-Battery type:AA*2.
-Overall dimension: 180x80x60 mm.
-Weight: 0.5 KG.
-IR Lamp: Comceraled inside (operating range:45~60m).
-Bright-light protection: automatic bright-light control.
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