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Model£º   BT1153
Specification£º   7x35mm 7x50mm
Technical Specs£º   
Model BT1153
Specification 7x35mm 7x50mm
Magnification 7x  7x 
Obj.lens (mm) 40 50
Eyepiece diameter(mm) 18 18
Field Angle 7.2¡ã 6.8¡ã
Field of View @ 1000m 126m 119m
Field of View @ 1000yds 378ft 357ft
Apparent Field of View 57.6¡ã 68¡ã
Exit pupil (mm) 5.0  7.0 
Eye relief (mm) 16.5  16.5 
Diopter Adjustment ¡À4 ¡À4
Dusk Index 15.6 18.7
Relative Brightness 25 49
Prism System Porro Porro
Prism Glass Bk7 Bk7
Focus System Center Center
Lens Coating Fully Multi Fully Multi
Eyecups Fold-Down Fold-Down
Size (mm) 180x58x140 195x62x172
Weight (g) 520 650
 
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