HD Binoculars 25x30 for Adults with Phone Adapter,Tripod and Tripod Adapter,Waterproof Binoculars for Bird Watching,Hiking and Travel. Binoculars 25X30. Binoculars with BAK4 prism.20mm BAK4 prism lens binoculars adopt fully multi-coated lense and phase-coated prism,which increase the light transmission of binoculars to 99.9%,makes the image more transparent,clearer and brighter.
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