High-Definition Telescope-This Powerful Telescope Consists of Multiple Layers of Coated Optical Components to Ensure Excellent Light Transmittance and Brightness. the Prism System Has a Circular Exit Pupil, Which Can Provide long-lasting Images the Ring-Sealed Optical Components Prevent Moisture, Dust, and Debris from Entering the Monocular. User-Friendly Focus Knob and Diopter Ring, Improved Eyecup and Tethered Objective Lens Cap for Portable Smartphone Stand and Tripod: You Can Also Connect Your Phone with a Tripod and Smartphone Stand (Compatible with Most Smartphones) to Provide More Convenience and Multiple Uses. Very for Image Sharing Enthusiasts and Things to Watch for a Long Time. Non-Slip: Easy to Hold with One Hand. the Ergonomic Helps You Focus on the Target Quickly and Accurately with One Hand. the Rubber Armor with Stripes Makes It Very Comfortable to Use and Will Not Slip Out of Your Hands.