▶ Model No: HY2173
▶ Magnification: 8x
▶ Obj.Lens Dia:40mm
▶ Exit Pupil Diameter:5mm
▶ Exit Pupil Dist:16.7mm
▶ Field Of View: 8°
▶ Prism:Porro
▶ Prism Type:BAK-4
▶ Min.Focal Length: 4.5m
▶ Focus System:Center Focus <br/
▶ Dipoter Adjustment: -4/+4
▶ Waterproof: Yes
▶ Fogproof: Yes
▶ Nitrogen Filled: Yes
▶ Coating:
▶ Material: Rubber Paint And Rubber
▶ Net Weight: 866g
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