20×50 HD Professional Waterproof Binoculars with Low Light Night Vision Durable & Clear BAK-4 Prism FMC Lens for Outdoor Sports Concert Bird Watching

【Professional Powerful 20X50 Binoculars】Professional ROOF PRISM 20×50 binoculars with large field of view, Designed with 20X power magnification, 50mm large objective lens and high-quality optics system preserve a 374ft/1000yds large field of view, ideal magnification to capture the most clear, bright and steady images,good for fast moving object, can help you see the objective clearly from more than 1000yards away.
【HD Superior Optics & Premium BAK4 Prism】Enhanced 50mm fully multi-layer coating green film objective lens and Large smart phrase BAK4 prism. well improve image brightness, contrast and quality. Its high refractive index can effectively avoid dark angle, make image brighter and clearer.
【Easy to Focus With Adjustable Eye Relief】Twist up and down eye cups to adjust the most suitable distance between your eyes and the optical lens. Enjoy comfortable viewing even you are a eye glasses wearer. Improved adjustable knob make it easy to focus on your goal, just need to roll the center-focus knob to adjust the focal point for best focus.
【Durable Water Proof & Fog Proof】Portable design, The framework is made of sturdy metal, with shock- resistant and slip-resistant rubber finish. make it easier and more comfortable to operate. IP55 Nitrogen-Filled Waterproof with a fog resistant coating and O-ring sealed optics prevent moisture, dust and debris to keep it clear all the time. ideal for outdoor activities.
【Clear Weak Light Vision】Design of Aspherical lenses and multi-layer coating guarantee excellent light transmission. Forever bright and clear even at night time, can deliver clear vision in weak light condition but not in complete darkness. Suitable for concerts, opera, sightseeing and astronomical viewing.

Specification:
Magnification power: 20x
Field of View: 374 FT / 1000YDS
Eyepiece Diameter: 20mm
Objective diameter: 50mm
Eye Relief: 12mm
View Angle: 7.8°
Prism: Roof prism / BAK4
Eye Cups : Twist up
Product dimension: 8.66x 7.87x 3.15 inch
Product weight: 2.03lb / 980g

Packing list:
1x Binoculars
1x Eyepiece and Lens Covers
1x Neck Strap
1x Carrying bag
1x Cleaning Cloth
1x Instruction Manual