- 42MM LARGE OBJECTIVE LENS: The monocular features a 10-30X continuous zoom with a 42mm objective lens diameter, delivering bright, clear images across various fields of view. Ideal for outdoor activities such as hiking, hunting, climbing, bird watching, attending ball games or concerts, traveling, and scenic viewing. - BAK4 HIGH LIGHT TRANSMISSION PRISM: Equipped with a BAK4 prism and FMC (fully multi-coated) aspheric lens, this monocular offers exceptional light transmission, contrast, and image quality. It is suitable for nighttime use, though not in complete darkness, making it perfect for concerts, operas, sightseeing, and astronomical observations. - SMARTPHONE COMPATIBILITY: The handheld telescope comes with a phone holder and tripod, enabling you to record and share memorable moments easily. It features a retractable eyecup, ensuring optimal viewing for users with or without glasses. - USER-FRIENDLY DESIGN: This lightweight, palm-sized monocular telescope is ergonomically designed for easy one-handed focusing. The non-slip rubber exterior and hand strap provide a comfortable grip for extended use, preventing accidental drops. The combination of superior optical performance, practical features, and ease of use sets this monocular apart, making it an essential companion for outdoor enthusiasts and casual observers alike.