Barska Colorado 20-60x60 Straight-Body Spotting Scope w/ Tripod. The Barska Colorado Scope features zoom magnification from 20x to 60x power with a straight-body design for head-on viewing. Barska CO10866 has a blued outer lens with fully coated lenses throughout. A flip-down lens cover keeps the spotting scope's optics protected when not in use. Specifications for Barska CO10866 Colorado Spotting Scope: Magnification: 20-60x Objective Lens Diameter: 60 Prism System: Porro Prism Coating: BK7 Eyepiece System: Straight Eyepiece Coating: Blue Lens Coating: FC Lens Color: Blue Field of view at1000yds/meters: 114-51FT/1000YDS Field of view ( degree): 2.2-1 Eye Relief (mm): 13-11 Exit Pupil (mm): 3-1 Features of Barska Colorado 20-60x60 Spotting Scope w/ Tripod: Prism Type Porro Prism Glass BK-7 Magnification (Zoom) 20x-60x Eye Piece System Straight Close Focus (ft/m) 32.80/10 Eye Relief 13mm-11mm Objective Lens 60mm Exit Pupil 3mm-1mm Field of View (ftat1000yds/mat1000m) 114/38at20x 51/17at60x Optical Coating Fully Coated Tripod Adaptable Yes Product Weight 32 oz. Finish Green Package Contents: Barska Colorado 20-60x60 Spotting Scope w/ Tripod Soft Carrying Case Tripod Lens Cloth Barska Colorado 20-60x60 Straight-Body Spotting Scope w/ Tripod CO10866