Other Features | - 65 mm Refractor Spotting Scope, Zoom Eyepiece, Sight Tube for Quick Targeting, Soft Carrying Case, 386 mm Focal Length, 5.94 Focal Ratio, 7-21 Zoom Eyepiece 1, 154x Highest Useful Magnification, 9.29x Lowest Useful Magnification, 11.6 Limiting Stellar Magnitude, 2.14 arc seconds Resolution (Rayleigh), 1.78 arc seconds Resolution (Dawes), 86x Light Gathering Power (Compared to Human Eye), (27.2 m at 18x, 11.58 m at 55x) Linear Field of View at 1000 yards, Near Focus (6.09 m at 18x), 330 mm Optical Tube Length, Tripod Adaptable, 35 mm Camera T-adapter Supplied
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