LIGHTWEIGHT & TRAVEL-READY: Compact and easy to carry for hiking, birding, or any outdoor adventure. BIG 50MM OBJECTIVE LENS: Large aperture draws in more light for vivid, high-contrast images—excellent for dawn, dusk, and shaded environments. POWERFUL 20X MAGNIFICATION – See birds, wildlife, and distant subjects up close. Enjoy sharp, detailed views perfect for hiking and travel. MULTI-COATED OPTICS + BaK-4 PRISM GLASS – Quality construction and materials boost contrast, resolution, and clarity for crisp, true-color images. DIGISCOPING ACCESSORIES – Capture photos and videos through the monocular using your phone. Simply attach the adapter for a perfectly aligned shot every time, and enjoy stable long viewing sessions using the included tabletop tripod RUGGED, WEATHER-READY BUILD: Rubber-armored polycarbonate housing shields against bumps and drops. Waterproof and nitrogen-purged to prevent fogging in rain, snow, or humidity. TWIST-UP EYECUP – Customize the eye relief to use your monocular with or without eyeglasses, while still taking in the full field of view. 2.9° ANGULAR FIELD OF VIEW: Scan open landscapes and spot birds in flight. Track subjects on the move with ease. UNBEATABLE WARRANTY & CUSTOMER SUPPORT: Buy with confidence from Celestron, a leading optics brand in California since 1960. Your purchase includes a Celestron Limited Lifetime US Warranty & US-based expert tech support.