Versatility: One lens with two functions, combining the functions of telephoto lens and macro lens, it can not only shoot dynamic objects at a distance, but also capture microscopic details at close range, meeting a variety of shooting needs. High-performance optical design: Telephoto function: Equipped with a 6x telephoto lens, it can achieve 15cm ultra-close focus, breaking the boundaries of telephoto lenses, suitable for portrait shooting and long-distance photography. Macro function: Equipped with a 150mm macro enhancement lens, you can easily capture the delicate beauty of dynamic objects without getting close, and the focus distance is as far as 30cm-∞, from near to far, you can shoot as you like. Excellent image quality: The equivalent focal length of 156mm provides clear and vivid image effects. Excellent out-of-focus blur effect creates a dreamy background, adding a soft and profound atmosphere to portrait photography. Portability and durability: The aviation-grade aluminum alloy body is light and sturdy, weighing only 134 grams, and is easy to carry. The dust-proof, sturdy and dur design is suitable for shooting needs in various environments. Humanized design: Ergonomically designed focusing wheel, fast focus, adjust clarity, can be used normally even with gloves. The lens protection cover is thoughtfully designed to resist accidental scratches and dust intrusion, and extend the service life of the lens. It comes with an observation eye mask as a telescope, which can be used for both shooting and viewing. Mobile phone interface: 37MM thread Mirror body material:! Aluminum alloy Lens material: Schmidt roof prism (excluding 150mm macro enhancement lens) Number of lenses: 7 groups of 10 pieces (excluding prisms) 9 groups of 12 pieces (with prisms) Lens coating: multi-layer coating Focusing method: internal focusing Lens diameter: eyepiece thread diameter: 37mm, objective thread diameter: 25mm Exit pupil diameter: 3mm Exit pupil distance: 15.12mm Eyepiece field of view: 50° Optical magnification Macro telephoto: 6X Promotion display magnification: 6X Focus distance Publicized aperture: 0.15-∞M (Telephoto: 0.3--∞M, 150mm macro enhancement lens: 0.15-0.4M) 0.2-∞M Image quality: HD Human eye adaptability: Observable by human eyes, main phone shooting auxiliary human eye observation Vignette: 1x circle, 1.5-2X full screen after magnification Distortion: Slight distortion about 2.189% Lens color: black\gray Filter interface: 25-37mm adapter ring Weight: Within 100g of lens Size: Estimated 9*3.7cm Waterproof level: Not waterproof, dustproof Certification: Rosh environmental certification