describe: Name: 50x60 magnification portable monocular Colour: Black Material: plastic shell Type: Monocular Prism Type: BAK4 Prism System: Roof Prism Focusing system: eyepiece focusing Field of view: 3500m/20000m Lens diameter: 20mm Objective lens diameter: 55mm Phone holder: Width: Max: 8cm Min: 6cm Application: Suitable for travel, vacation, walking, hiking, sports, enjoying nature, bird watching, watching various purposes. Specification: - 50x60magnifying monocular - High-quality optics provide high-quality images. - Suitable for travel, vacation, walking, hiking, sports enjoying beautiful nature, bird watching, viewing for various purposes. - Durable, high-quality materials are also suitable for harsh environments. - Works well in low light and at night - Large eyepiece, HD, low light night vision - Can take pictures and videos - Five-layer broadband coating - BAK4 prism is selected, the refractive index is higher than ordinary glass, and the image is clearer - HD large eyepiece design, 18MM eyepiece. The larger the objective, the higher the resolution, the more saturated the hue, and the greater the reproducibility. - Environmentally friendly rubber sheath, sturdy metal steel frame structure - Waterproof and moisture-proof design, suitable for various environments Package Included: Package 1: Black Monocular, universal phone clip, tripod, cloth bag, lanyard, mirror cloth, manual Package 2: Army Green Monocular, universal phone clip, tripod, cloth bag, lanyard, mirror cloth, manual