【40X60 HD High Performance Monocular Telescope】 - The monocular telescope provides 10x magnification with a lens diameter of 42mm, a full 40x high magnification and an extra-wide field of view. 60mm wide-angle objective monocular provides clearer, brighter landscapes, so you have the best view of your outdoor adventures.【High contrast and high resolution images】- Latest optics technology, HD monocular telescope with BAK-4 prism and fully multi-coated objective lens, superior light transmission and brightness and light transmittance up to 99.5%, provides more light for viewing, reduces chromatic aberration and ghosting, gives you clearer, brighter and colorful view.【Waterproof, Dust-proof and Fog-proof】-Nitrogen-filled waterproof with a fog resistant coating and O-ring sealed optics prevent moisture, dust and debris helping to keep the lens clear all the time. (note: it can not be used in heavy rain for a long time or soaked in the water).【Light and Portable】-Monocular is lightweight, ergonomic design helps you focus quickly with one hand. this monocular goes with a smartphone adapter for you to take pictures and the tripod which helps you observe for a long time. compatible size to bring and use conveniently.【Largely compatible with smartphones, easy to install】 - Our monocular telescope with star telescope is supplied with the latest, quickly adjustable smartphone holder and tripod. Perfect for iPhone, Samsung GALAXY, LG, Sony and other smartphones on the market. Easy to install, it offers HD pictures or videos to share your beautiful and amazing moments with your family and friends.