B07T8NVKT6 MIJNUX Wide Angle 10X50 HD Hunting Binoculars Zoom High Power Optics Professional Waterproof Sports Telescope BAK4 Prism Glass

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? Central Focus roller: Users only need to turn the telescope in the middle circular wheel, you can change the focal length.
? Right eyepiece diopter adjustment knob: there may be differences between the left and right eye vision.
? 50MM large objective lens,high light transmittance, clear and bright image, no color difference, outstanding glimmer effect.
? High quality all-glass optics – objective and ocular lenses.
? Multi-coated ultra-clear film FMC broadband,bright color transparent, high transmittance, no color difference,tripod mount hole, can attach the tripod to reduce shock and increase image resolution.