Equipped with an unprecedented 10 to 20 times magnification range and a sizable 50mm objective lens, Its excellent optical performance is enhanced by the FMC (Fully Multi-Coated) coating and BAK4 prisms.APL-10-20X50 monocular offers an unparalleled visual experience that adapts to your every whim. Whether observing distant wildlife or stargazing into the cosmos, the infinite zoom capability delivers crisp, detailed imagery that brings the world closer to your eye. Designed to conquer various environments, this monocular telescope boasts a rugged metal body waterproof, fog-proof, and mold-resistant properties, ensuring clear views even in challenging weather conditions. Explore the mysteries of the night with the built-in micro-light night vision feature. Witness nocturnal creatures in their natural habitat without disturbing their environment.View 10-20X monocular reviews and nature observation experience Sharing APEXEL HD Zoom 10-20X Monocular Review Video: Key Features Infinite 10-20X zoom range Apexel 10-20X50Z Monocular Telescope allows you to seamlessly adjust your focal length for breathtaking close-ups and expansive views. Whether you're birdwatching, hiking, or stargazing, this adaptable zoom empowers you to capture every detail, making your natural encounters come to life. 50mm Objective Lens The large 50mm objective lens gathers an abundance of light, ensuring sharp and vivid imagery even in low-light conditions. Immersive Viewing Experience The 24mm wide eyepiece lens provides a comfortable and immersive viewing experience, minimizing eye fatigue during extended observations. Premium Optics The FMC (Fully Multi-Coated) lens coatings and BAK4 prisms ensure superior light transmission, minimizing reflections and delivering true-to-life colors. This optical excellence enhances the clarity and detail of your observations, making every image and video you capture a stunning representation of the natural world. Versatility and Compatibility The addition of a 1/4-inch threaded socket enables stable attachment to tripods, transforming your monocular into a reliable tool for photography and videography. Specifications for APEXEL HD Zoom 10-20X Monocular Telescope: Dimensions 8.1 × 6.0 × 18.8 cm Brand Apexel Color Black Model APL-10-20X50 Prism System BAK4 Lens Coating Fully Multi-coated Magnification 10-20x Eyepiece Diameter 21mm Objective Diameter 50mm Exit Pupil Distance 21.5-18mm Field of View 225-156ft/75-52m Main Material Aluminum alloy Frame+ Rubber sheath +Optical Glass Lens Exit Pupil Diameter 5.5-2.7mm Focus System Stretching Focus APEXEL HD Zoom 10-20X monocular telescope package