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Model£º   BTW4451
Specification£º   8x28mm 10x40mm Waterproof
Technical Specs£º   
Specification 8x28mm 10x40mm
Magnification 8x 10x
Obj.lens 28mm 40mm
Angle 6.5¡ã 5.6¡ã
Field of View 114m/1000m 98m/1000m
Apparent Field of View 52¡ã 56¡ã
Exit pupil 3.5mm 4.0mm
Eye relief 15.0mm 15.0mm
Prism System Porro Porro
Prism Glass BaK-4 BaK-4
Lens Coating Fully Multi Fully Multi
Eyecups Twist-Up Twist-Up
Focus System Center Center
Size Class Compact Compact
Color Black£¨ various colors for option£©
Water Fogproof Yes Yes
Adapt to Tripod No No
Weight 180 g 220g
 
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