The SkyMaster® Series of large aperture binoculars from Celestron offer phenomenal performance for astronomical viewing. They are also a great choice for terrestrial use, especially over long distances. All models feature high quality BAK-4 prisms and have multi-coatings for enhanced contrast. The 80 and 100mm models are waterproof and feature structural reinforcement of the main body for maximum stability and secure optical alignment­in addition, they have a built-in super-rigid photo tripod adapter. F E AT U R E S · Waterproof (80 and 100 mm) · Multi-coated optics · High quality BAK-4 prisms · Large aperture perfect for low light conditions and stargazing · Integrated tripod adapter rod (80mm & 100mm) · Available in individual or center focus models · Deluxe padded soft carrying case (80mm & 100mm) · Long eye relief ideal for eyeglass wearers · Diopter adjustment for fine focusing Model 71017 25 x 100 Model 71016 20 x 80 80mm and 100mm models come with this deluxe padded soft carrying case 70mm comes with a tripod adapter Model 71009 15 x 70 S P E C I F I C AT I O N S Model Size Design Prisms Coating Weatherproof Angular Field of View (FOV°) Linear FOV (ft @ 1000 yd) Exit Pupil (mm) Eye Relief (mm) Near Focus (ft0) Weight (oz) 71009 15 x 70 Porro BAK-4 Multi-Coated Water Resistant 4.4 230 4.7 18 43 48 71016 20 x 80 Porro BAK-4 Multi-Coated Waterproof 3.3 173 4 15 51 82 71017 25 x 100 Porro BAK-4 Multi-Coated Waterproof 3 157 4 15 80 157 Tel 310.328.9560 | Fax 310.312.5835 | 2835 Columbia Street, Torrance, CA 90503 U.S.A. | www.celestron.com ©2003 Celestron ...