Magnification: 10 30x for versatile distant viewing and close up details, with quick adjustment to suit subjects and conditions Net weight: 108 g, making it lightweight and easy to carry for all day use Objective lens diameter: 25 mm, outer diameter: 33 mm, offering a compact and portable profile Prism material: BK4 for reliable light transmission and clear image rendering Body construction: aluminum structure with soft rubber trim for durability, comfortable grip, and improved handling Focusing and zoom: eyepiece rotation plus intermediate stretch continuous zoom provide smooth, precise focusing across the full magnification range 2 3 practical use scenarios Birdwatching and wildlife observation: switch from wide field to close up detail to identify plumage patterns and subtle features from a comfortable distance Outdoor sports events and scenic viewpoints: zoom in on players or distant action from stands or overlooks while maintaining a stable view Travel and nature exploration: survey landscapes, distant landmarks, or architectural details during hikes or sightseeing without bulky equipment Key attributes at a glance Function and performance: flexible 10 30x magnification with a smooth dual action focusing system for accurate results Size and portability: compact, lightweight design suitable for handheld use on the go Material and build: aluminum body with soft rubber trim for durability and grip Optical quality: BK4 prism to support clear, dependable image quality across the zoom range