Specifications: Magnification 8x-24x Aperture(mm) 50 Size class Standard Fild of view 78-43m/1000m Exit pupil(mm) 5.6-1.8 Close focus(m) 10 Eye relief(mm) 14.5-12.5 Body material Metal Finish Rubber Focus system Center Prism system Porro Prism glass Bk7 Lens coating Fully coated Eyecups Fold down Water/fog proof No Adapt to tripod Yes Colors available Black,green camo or custom Lens Coating optional Blue, ruby Other available models 7-20x35 12-36x70 7-21x40 18-52X80 10-30x50 20-62x80 10-30X60