- The Good-List telescope features an advanced BAK-4 optical prism and FMC lens, enhancing light transmission and minimizing unwanted reflections for clear and sharp images. - This versatile 10-30x42 ZOOM telescope is ideal for both adults and children, making it perfect for activities such as mountaineering, hiking, driving, racing, tourism, wildlife observation, and bird watching. - With a large 42mm objective lens, you can enjoy extended visibility and a wider field of view. The FMC broadband coating and high-quality BAK4 prism ensure that images are true to life. - Included with the ZOOM telescope is a high-quality smartphone stand and a sturdy tripod. The tripod is adjustable to two angles and three lengths, making it easy to set up for optimal viewing. This professional design guarantees clearer and brighter images without any jitter. - Experience the thrill of outdoor adventures, sports events, or wildlife observations with a reliable telescope that meets your needs and enhances your viewing experience.