1,High refractive index BAK4 prism, high transmittance, more transparent field of vision. 2,Able to meet one hand quick focus. The monocular telescope adopts daily waterproof, fog proof, dustproof and shockproof. The strong frame and shock-absorbing rubber ensure durability. 3,The focusing handwheel adopts concave-convex anti-skid design, which is not easy to slip and easy to operate. 4,Clear parameter scale. 5,Equipped with a lanyard hole to prevents the telescope from sliding down due to long-term use. It can also be hung on the wall for storage. Provides you a more wider, clearer and brighter scene in your eyes. Adjust the magnification of this zoom monocular according to your need, it will give you a visual fidelity to see the beautiful world. Features: High refractive index BAK4 prism, high transmittance, more transparent field of vision. Able to meet one hand quick focus. The monocular telescope adopts daily waterproof, fog proof, dustproof and shockproof. The strong frame and shock-absorbing rubber ensure durability. The focusing handwheel adopts concave-convex anti-skid design, which is not easy to slip and easy to operate. Clear parameter scale. Equipped with a lanyard hole to prevents the telescope from sliding down due to long-term use. It can also be hung on the wall for storage. Specifications: Type: Set A (with clip and tripod), Set B (without clip and tripod) (optional) Color: black Material: metaland Latest focus: 2.2 Magnification: 10-300 times Objective lens diameter: 40mm FOV: 3.5° at 10X,  2.0° at 300X Field: 4.4 or 2.1 Item length: 128-200mm or 5.0-7.9in Item weight: 108g or 3.8ounce Package size: 136 x 57 x 57mm or 5.4 x 2.2 x 2.2in Package weight: Set A: 245g or 8.6ounce Set B: 123g or 4.3ounce Packing List: Set A: 1 x Monocular Telescope 1 x Cleaning Cloth 1 x Bag 2 x Lens Protector 1 x Tripod 1 x Clip Set B: 1 x Monocular Telescope 1 x Cleaning Cloth 1 x Bag 2 x Lens Protector Set A: 1 x Monocular Telescope 1 x Cleaning Cloth 1 x Bag 2 x Lens Protector 1 x Tripod 1 x Clip Set B: 1 x Monocular Telescope 1 x Cleaning Cloth 1 x Bag 2 x Lens Protector Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.