<p>Feature: 1.10-30X Magnification & 1000M Field of View: This high performance monocular provides 10-30x magnification and 50mm objective lens. With the adjustment of magnification and focal length, it allows you to clearly observe scenery that is 1000 meters away. The minimum focal length is 3 meters. 2.One-handed Monocular with Ergonomic Design: Compact body for one-handed grip. Ergonomically shaped monocular lets you focus on your target quickly and accurately with one hand. 3.23mm Large Eyepiece & BAK4 Prism & FMC Green Multi-layer Coating: 23mm large eyepiece provides more open field of vision. Durable all-optical glass lens is anti-scratch and oxidation resistant. BAK4 prism with high light transmittance(up to 99.5%) guarantees a clear and bright view even in low light. Multi-layer FMC green coating can effectively reduce scatter reflection of light and increase brightness and color contrast. 4.Compatible with Phones: Our monocular telescope comes with an extendable phone bracket that can suit most smartphones on the market. The phone holder is easy to install and allows you to keep your smartphone securely in place to take HD images or videos. 5. Waterproof and antifogging: The mirror is filled with high-purity nitrogen, which is waterproof and antifogging. You can use it in rainy days and humid environments. Specification: Type: 10-30x Monocular Telescope Color: army green Material: metal + rubber Weight: 248 g Magnification: 10-30x Prism: BAK4 Eye Lens Diameter: 23 mm Objective Lens Diameter: 50 mm Exit Pupil Distance: 15.1 mm Exit Pupil Diameter: 4.2 mm Close Focus: 3 m Vision: 130 m / 1000 m Focusing: roller Eye Cup Type: spin Coating: FMC full broadband green film Optical System: roof optics Angular Field of View: 5.6°at 10×~2.7°at 30× Waterproof System: life waterproof Package Included: 1 * Monocular Telescope 1 * Cloth Bag 1 * Cleaning Cloth 1 * User Manual 1 * Phone Holder 1 * Tripod 1 * Hand Strap 1 * Lens Cover Note: 1. Please allow 1-3cm (0.4-1.18") difference due to manual measurement and slight color variation for different display setting. 2. Due to the light and screen difference, the item's color may be slightly different from the pictures. Please understand.</p>