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Model£º   BT5577
Specification£º   8x25mm 10x25mm 12x25mm
Technical Specs£º   
Model BT5577
Specification 8¡Á25 mm 10¡Á25 mm 12¡Á25 mm
Magnification 8x 10x 12x
Obj.lens(mm) 25 25 25
Angle 6.5¡ã 5.5¡ã 5.0¡ã
F.O.V.(m/1000m) 114 96 87
Apparent Field of View 52¡ã 55¡ã 60¡ã
Exit pupil(mm) 3.1  2.5  2.1
Eye relief(mm) 13.0  13.0  13
Prism System Porro Porro Porro
Prism Glass K9 K9 K9
Lens Coating Fully Multi Fully Multi Fully Multi
Eyecups Fold-Down Fold-Down Fold-Down
Focus System Center Center Center
Weight(g) 240 255 255
 
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