Features 1、Multi Layer Coating: Full surface multi layer broadband coating, internal lens extinction treatment, effectively reduce lens ghosting glare, sharp imaging, good color reproduction. 2、Good Features: 20‑40 times magnification, high definition resolution, clear relative illumination, good light transmission effect. 3、Larger Prism: Use a larger prism, make full use of the prism to increase the amount of light, equivalent to F1.8 aperture. 4、Reliable Performance: Larger diameter and high definition lens, frosted lens body, non slip and waterproof metal fixing ring, external tripod. 5、Premium Material: All metal lens body, optical glass coating and BK4 prism combination, the appearance is simple, fashionable. Specification Item Type: 20‑40x Zoom Lens with Tripod Material: Optical Glass, Metal, ABS Lens Type: Zoom Lens Field of View: 4.4 Degree to 8.8 Degree Focal Length: More Than 5m / 16.4ft Optical Zoom: 20X-40X Prism Type: Schmidt Roof Prism (K9) Lens Structure: 10 Elements in 6 Groups Lens Structure: M17xP0.75 Lens Coating: Multi Layer Coating Color: As Pictures Shown Weight: Approx. 545g / 19.2oz Applicable Model: Compatible with 98% Smartphones Package List 1 x Telephoto Lens 1 x Tripod 1 x Metal Clip 1 x Fixing Ring 1 x Storage Bag 1 x Wiping Cloth 1 x Manual