BARSKA AB13640 Cosmos 天文双目望远镜 (20x)
制造商: BARSKA Model: AB13640 - 报价要求
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Focus System: Individual
Prism Type: Porro
Prism Glass: BAK-4
Magnification (Fixed): 20x
Close Focus (ft/m): 39.4/12
Eye Relief: 15.4mm
Objective Lens: 80mm
Exit Pupil: 4mm
Field of View (ft@1000yds/m@1000m): 157/52
Optical Coating: Multi-Coated
Waterproof: Yes
Fogproof: Yes (Nitrogen CO2)
Tripod Adaptable: Yes
Product Weight: 89.6 oz
Finish: Black Matte
Included Accessories: Premium Carrying Case and Lens Cloth
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