12×42 HD Binoculars for Adults with Universal Phone Adapter – High Power Binoculars with Super Bright and Large View- Lightweight Waterproof Binoculars for Bird Watching Hunting Outdoor Sports Travel
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【18mm Large Eyepiece Binoculars, Larger Image, Clearer Details】2.25 times the image size of 12mm eyepiece (e.g. 10×25, 12×25, 10×21 binoculars), 1.28 times of 16mm eyepiece (e.g. Ordinary 10×42, 12×42 binoculars). Large eyepiece binoculars make full use of 12x magnification, deliver larger image, ensure clearer details
【16.5mm Big BAK4 Prism Lens Binoculars, Super Bright, Crisp View】Collect 32% more light than 12.5mm prism lens (e.g. 10×25, 12×25, 10×21 binoculars), 13.7% of 14.5mm prism lens (e.g. Ordinary 10×42, 12×42 binoculars). 16.5mm Prism lens take 100% advantage of 42mm objective lens, collect more lights, deliver brighter view