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Product: Emarth High Power 10-20X50 Zoom Monocular Telescope BAK4 Prism Waterproof Fog Proof Men Gifts for Bird Watching Camping Hunting Wildlife Traveling Emarth High Power 10-20X50 Zoom Monocular Telescope BAK4 Prism Waterproof Fog Proof Men Gifts For Bird Watching Camping Hunting Wildlife Traveling Advantages and Key Features Powerful zoom magnification range that adjustable 10x to 20x magnification, both perfect for short and long distance viewing, one Emarth zoom monocular is enough for most occasion more than 10 different magnification monocular. 50mm FMC objective lens, BAK-4 prism, Porro prism system, all these high end configuration delivered you brighter, clearer and more brightness image. Nitrogen-filled, IPX7 waterproof, fog proof, strong enough for any harsh and extreme environment. Use with or without glasses - Adjustable the folding rubber eye-cup turn over and down for comfortable viewing with or without eyeglasses. 1/4""-20 tripod threads hole on the bottom of the monocular - You can connect it to a most of the optics tripod. Specifications: Objective Lens: 50mm Magnification: 10x-20x Exit Pupil Diameter: 5.5-2.7mm Field of view: 75-52M / 1000M Focusing System: Fix. Focusing Lens: Eye Lens Coating: FMC Nitrogen Filled: YES Dimensions: 190x80x61mm Weight: 453g Packing list: 1x 10-20X50 Monocular 1x Carrying bag 1x Eyepiece and Lens Protection Covers 1x Cleaning Cloth 1x Straps Portable Zoom Monocular - Emarth monocular features a powerful zoom magnification range that adjustable 10x to 20x magnification, use low magnification if you need to see a larger view and handle it steady, zoom in to high magnification when you need to see something longer distance and also want a specific picture
Suitable for Any Occasion - Variable 10x to 20x magnification and dynamic lens focusing system makes it easy to zoom in on target, perfect designed for hunting, camping, target shooting, archery, bird watching, watching wildlife, scenery and even astronomy
Advanced Configuration - With the BAK-4 crystal prism and FMC(full multi-coated) 50mm objective lens, Emarth monocular delivers brighter, clearer image, the highlight transmission will reach up to 99.8 percent of light reflection allowing for crisp and clear picture as using the Porro system
Durable & Tough - It is both fogproof and waterproof(IPX7,nitrogen-filled truly water poof guaranteed) and boasts a rugged external armor. These features make this monocular capable of withstanding inclement weather conditions so you can use it outside without worrying about damaging it
Emarth VIP Customer Service - Emarth offers lifetime VIP customer service for our customers, you are welcome to contact us if any problem with our optics products, our special line service will work hard to put a smile back on your face Emarth 10-20