The Vanguard Endeavor HD 82A 20-60x 82 mm Angled Spotting Scope employs extra-low dispersion glass (ED) to ensure accurate color rendition and virtually eliminate color fringing. The lenses are all fully multi-coated to ensure optimum light transmission and feature a phase-coated BaK4 roof prism.Endeavor HD 82A comes with an 82 mm objective lens and angled eyepiece with 20-60x zoom magnification. It features an extendable rubber covered eyecup and boasts impressive eye relief even at the highest zoom settings. It also provides a very impressive field of view. A built-in sunshield is included to eliminate glare in direct sunlight and it includes a padded raincoat with sling for carry and protection. Endeavor HD is also equipped with fine and coarse focusing wheels for quick and precision fine tuning adjustments.