Ningbo Barride Optics Co., Ltd.  

Product Name: 10-30x60 Outdoor Telescope Spotting Scopes (BM-SC37) Model NO.: BM-SC37 Focusing Type: Center Focusing Objective Aperture: >50mm Lens: Glass Lens Type: Zoom Lens Usage: Gift, Bird Watching/Hunting, Travel Function: Observation Magnification: 10-30 Type: Monocular Trademark: OEM Transport Package: Standard Box Specification: 1 Origin: China Product Description 10-30x60 outdoor telescope spotting scopes(BM-SC37)Magnification10-30XObjective Diameter(mm)60mmNumber of Lens7piecesExit Pupil Diameter(mm)3.2-1.4mmExit Pupil Distance(mm)16-18mmField of View3°-1.5°FT/1000YDS157FT/1000YDS/79FT/1000YDSM/1000M52M/1000M / 26M/1000M