ZOOM telescope 10-30x42 - High brightness and clarity: The telescope is built with a BAK-4 prism and fully FMC multi-coated lenses. Light transmittance reaches up to 99.9%, delivering bright, clear images with excellent contrast. - Optimized optics for sharp images: The 10-30x42 ZOOM telescope uses advanced Fully Multi-Coating technology and a large BAK-4 prism lens. This design increases light transmission, reduces unnecessary reflections, and provides clear, good-contrast, color-accurate views. - Versatile zoom for distant details: Up to 30x zoom for farther, clearer viewing. Its handheld design is compatible with smartphones for ultra-clear photo and video capture, making it easy to observe and monitor while outdoors. - Easy smartphone integration and stable viewing: Includes a universal smartphone adapter to connect your phone to the handheld ZOOM telescope for stunning photos and videos. A sturdy metal tripod is included and adjustable to give you an excellent view and stable imaging. 2-3 practical use scenarios - Bird watching and wildlife observation on hikes or outdoor excursions, with the ability to capture distant birds and behaviors clearly. - Travel or competitions where you want to view distant events or scenery and record high-quality images on the go. - General outdoor monitoring and sightseeing, using the smartphone connection to document observations and share results.