Professional Bak4 FMC Lens Prism Bird Watching Waterproof Binoculars

Waterproof binoculars, bak4 fully coated optics
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Description
Description
Professional Bak4 FMC Lens Prism Bird Watching Waterproof Binoculars

Item No. 产品货号:WD111  8x/10x/12x42 F
Magnification 放大倍率: 8X (10X,12X)
Objective lens 物镜直径:  42mm
Waterproof 防水:Yes
Exit Pupil diameter 出瞳直径: 5.2mm/4mm
Exit Pupil distance 出瞳距离:17.2/15.2mm
M/1000M:  110m/1000M; 102m/1000m
Close focus 最近距离: 2m 
Nitrogen Filled 充氮: No