Celestron Ultima 80mm Straight Spotting Scope

80 mm Refractor Spotting Scope
Multi-Coated optics
Straight through viewing angle
20-60x zoom eyepiece
Sight tube for quick targeting
Waterproof
Soft carrying case
Limited Lifetime Warranty

{Specification}
Magnification: 20 - 60x
Objective Lens Diameter: 80mm (3.15")
Eyepieces: 8mm - 24mm (.31" - .94")
Angular Field of View: 2.0° - 1.0°
Linear Field of View (@1000 yds) / @1000 m): 105 ft (32 m) @ 20x| 53 ft (16.15 m) @ 60x
Focal Length: 480mm (18.9")
Exit Pupil: 4mm - 1.3mm (.15" - .05")
Eye Relief: 18mm (.71")
Close Focus: 26.2 ft (8 m)
Twilight Factor: 69.2 - 40
Relative Brightness: 16 - 1.7
Limiting Stellar Magnitude: Ideal: 12.02
Moderate: 11.02
Poor: 10.02
Lens Coatings: Fully Multi-Coated
Prism Glass (Type): BaK-4
Prism Coatings: ...