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Model£º   BJ5581
Specification£º   8x25mm 10x25mm
Technical Specs£º   
Model BJ5581
Specification 8x25mm 10x25mm
Magnification 8x 10x
Obj.lens (mm) 25 25
Eyepiece diameter(mm) 12.5 12.5
Field Angle 1¡ã 5.5¡ã
Field of View @ 1000m m 96m
Field of View @ 1000yds ft 288ft
Apparent Field of View ¡ã 55¡ã
Exit pupil (mm) 3.0  2.5 
Eye relief (mm) 11.0  11.0 
Diopter Adjustment ¡À5 ¡À5
Dusk Index 14 15.8
Relative Brightness 6 6.25
Prism System Porro Porro
Prism Glass Bk7 Bk7
Focus System Center Center
Lens Coating Fully Multi Fully Multi
Eyecups Fold-Down Fold-Down
Waterproof NO NO
Size (mm) 107x52x99 107x52x99
Weight (g) 200 200
 
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