coating: higher light transmittance, brighter imaging;BAK4 high light transmission prism: reduce light leakage, increase brightness, clear observation without dark edges, high light transmittance, transparent and bright imaging. long-lasting
Nitrogen-filled and waterproof: Suitable for waterproof and anti-fog in most environments, effectively preventing moisture from entering the inside of the lens barrel and extending the service life of the telescope.
Aluminum-magnesium alloy lens body: metal lens body design, with high-strength shockproof performance can greatly enhance the service life of the telescope.
Wide-angle eyepiece: The immersive experience es observation more comfortable, and solves the discomfort of eye fatigue caused by longer use time.
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Binoculars High Power Adult Bird Watching Traveling Scopes Waterproof Range Finder Reflector Telescope Astronomical Science Refractor Tripod Astronomy Beginner Riflescopes Microscopes Monoculars Hiking Camping Travel Optical