Upgrade your observation capabilities with the F002X Smartphone Adapter This exclusive, patented device allows you to connect your phone to binoculars, microscopes, and telescopes effortlessly. Ideal for birdwatching, stargazing, and microscopic observations, it ensures quick installation and precise focusing in just four steps. Weighing only 103g, its ergonomic design offers a comfortable grip and portability. With features like lock and portrait/landscape modes, it fits a wide range of devices, including iPhone, Samsung, Google, Huawei, and more. The sturdy and stable design accommodates an eyepiece with a diameter of 23mm to 50mm, making it a valuable tool for nature enthusiasts, researchers, and anyone wanting to preserve visual experiences. Expand your horizons with the F002X Smartphone Adapter. F002X Smartphone Adapter for Optical Devices Maximize your F002X Smartphone Adapter! From birdwatching to moon photography, learn to connect it effortlessly with iPhones and other smartphones. Capture, share, and explore with ease! Why Choose F002X BinocularPhone Adapter? Patented Design: Exclusive patent, and precise focus for instant capture. Easy Setup: Simple one-pull clamping, 4-step installation for convenience. 360° Rotation: Easily switch between horizontal and vertical shooting in 1 second with the rotation design. Secure Screw Lock: New screw for robust locking, ensuring focal position and adaptability for various phones. Reduced Vignetting: Smaller 9mm light hole, snug fit for fewer dark circles in photos. Wide Phone Compatibility: Fits 99% of phones, including iPhone, Samsung, Huawei, etc. Compact and Lightweight: Weighs only 103g, innovative design for easy portability. Versatile Compatibility: Increased lens adaptability. Supports lens diameter 23mm-50mm. Wide Phone Compatibility: Fits 99% of phones, including iPhone, Samsung, Huawei, etc. What does the F002X smartphone adapter include? How to use the adapter?