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Model BSP628 Specification 10-30x50 12-36x60 Magnification 10x - 30x 12x - 36x Obj.lens (mm) 50 60 Angle 3.2°-1.7° 3.1°- 1.6° Field of View at 1000m 56 - 30 55 - 29 Apparent Field of View 32°- 51° 37°...