Celestron Ultima 20-60x80 WP Refractor Angled Spotting Scope: It features a prismtic spotting scope with an 80mm objective lens and a wide 45° viewing angle ing step-up aperture from 65mm. The 80 mm refactor features multi-coated optics bulit into a long lasting well design which comes with a standard 20-60x zoom eyepiece. This spotting scope is designed to come up with the outstanding performance, built quality and a good UV light transmission of up to 50%. If you are someone who enjoys observing nature and long distance observation then it is an ideal scope to fulfill all such needs of yours. This Ultima 80 is fully waterproof which provides the view through it in harsh weather conditions. It has a green rubber optical tube which permits for clear & distinct observation in any temperature. Celestron Ultima 80 WP Refactor Scope is something very nice to carry along if you love observing nature or if you are an heavy outdoor user, soft carrying case is included as well.      Features: Celestron Ultima 20-60x80 WP Refractor 45° Angled Spotting Scope    Excellent for observation of nature, birds watching and general out door operations   Smooth focus knob can be turned with a single finger   Waterproof construction for extreme weather conditions   Supplied with 8-24 zoom eyepiece deliver 20-60x image magnification   Rubber housing for extra protection and strong grip   Excellent multi-coated optics for superior performance even in low light conditions   Cane be Mounted on any photo tripod having a standard 1/4”-20 thread mounting bolt    Specification: Celestron Ultima 80 WP Refractor 45° Angled Spotting Scope    Model: 45° Angled Ultima 80   Viewing Position: 45° Angled   Optical Design: Refractor   Focal Length: 480 mm (18.9 in)   Focal Ratio: 6   Exit Pupil Diameter: 20x: 4.0mm   60x: 1.3mm   Aperture: 80 mm (3.15 in)   Magnification: 20-60x   Finderscope: Sighting tube   Eye Piece: 8-24 Zoom   Prism Type: BaK-4   Angular field of View 20x: 2° 60x: 1°   Linear field-of-View (@ 1000 Yds): 105ft @ 20x 53ft @ 60x   Minimum Focus Distance: 27ft @ 20x   Eye Relief: 18mm @ 20x   Tripod Adaptable: Yes   Camera Adaptable: Yes (Built-in T-thread on Eyepiece)   Dimension (Length): 406.4mm   Weight: 57 oz (1615.92g