The Celestron 20-60x 60mm Zoom Refractor Spotter is a waterproof zoom spotting scope ideal for bird watching, nature or wildlife observation, hunting, and enjoying scenic views. This scope is extremely lightweight (652 grams) and comes with both a soft case and an aluminum case. With fully coated optics and refractor optical design the waterprooof Celestron 60mm Zoom Refractor Spotter zooms up to 60x has a metal tabletop tripod, comes with aluminium & soft carrying cases. Features: Fully Coated Optics. Refractor Optical Design. Zooms up to 60x. Waterproof. Metal Tabletop Tripod. Aluminum Carrying Case. Soft Carrying Case. Specifications: Optical Design: Refractor, Aperture: 60 mm (2.36 in), Focal Length: 341 mm (13.43 in , Magnification 1: 20-60x, Angular Field Of View: 2.5 degrees @ 20x, 1.3 degrees @ 60x, Linear Field Of View (@1000 Yds): 130 @ 20x, 65 @ 60x, Linear Field Of View (@1000 m): 43 @ 20x, 22 @ 60x, Eye Relief: 15 @ 20x, 11 @ 60x mm (0.59 in), Near Focus: 8.84 m (29 ft), Optical Coatings: Fully Coated, Optical Tube Length: 345.44 mm (13.6 in), Weight: 652.04 g (23 oz).