Extremely compact premium spotting scope with 55m objective lens made of pure fluorite crystal; For all those who do not want to forego quality with minimal ballast; Dual focus for fast and precise focusing; Spotting scope with angled view and zoom eyepiece with 15-45x magnification; Particularly suitable for nature or bird watching, travelling and for always having with you; The housing is waterproof to JIS Protection Class 7 and filled with dry nitrogen gas to prevent internal fogging to ensure image clarity.; Dual Focus Mechanism; Tripod Mounting Screw; Twist-up multi-step eyecup allows customization for easy viewing even when wearing eyeglasses.