By increasing the aperture from 65mm, the Celestron Ultima 20-60x80mm Straight Zoom Spotting Scope 52254-CGL provides 50% brighter images. The 80mm refractor includes a 20–60x zoom eyepiece as standard equipment and boasts outstanding multi-coated optics housed in a transportable and robust refractor construction.
The Celestron Ultima Spotting Scope series is a fantastic all-purpose optical tool because it was made to function effectively in a variety of viewing circumstances. Since it is totally waterproof, you can use it with confidence in inclement weather, and you'll adore it for long-distance spotting and nature observation. In any natural setting, the green rubber optical tube enables unobtrusive observation. Any outdoor or environment enthusiast will enjoy having an Ultima spotter by their side. Includes a soft carrying case.
Features:
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
What's included in the box
Zoom eyepiece with integrated T-adapter
Carrying case
Eyepiece lens cap
Eyepiece Port cover
Eyepiece carrying case
Eyepiece pouch
Lens cloth
Instrument manual
Technical Specifications:
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: FMC
Weight: 57 oz (1616 g)
Environmental Protection: Waterproof
Nitrogen Filled: Yes
Tripod Adaptable: Yes
Carrying Case: Padded green woven nylon view-through
Camera Adaptable: Yes
Accepts filters - No
Dimensions: 500mm x 90mm x 120mm (19.7" x 3.5" x 4.7")
Solar Warning
Never look directly at the Sun with the naked eye or with this optic. Permanent and irreversible eye damage may result.
Never use your optic to project an image of the Sun onto any surface. Internal heat build-up can damage the optic and any accessories attached to it.
Never leave your optic unsupervised. Make sure an adult who is familiar with the correct operating procedures is with your optic at all times, especially when children are present.