BAK 4 Prism is made of the best thick barium crown glass with multiple achromatic transparent lenses. At the same time, the large eyepiece can produce a larger image and a comfortable field of view. In addition, it is a Waterproof binoculars can resist light water, but cannot be used for a long time in heavy rain or soaked in water. It is perfect for bird watching, hunting, sports events. Binoculars with adjustable eye cups, suitable for glasses wearers.
About this item
- 2.25 times the image size of 12mm eyepiece (e.g. 10x25, 12x25, 10x21 binoculars), 1.28 times of 16mm eyepiece (e.g. Ordinary 10x42, 12x42 binoculars).
- Collect 32% more light than 12.5mm prism lens (e.g. 10x25, 12x25, 10x21 binoculars), 13.7% of 14.5mm prism lens (e.g. Ordinary 10x42, 12x42 binoculars). 16.5mm Prism lens take 100% advantage of 42mm objective lens, collect more lights, deliver brighter view.
- With only 560g weight, Adasion 12x42mm binoculars deliver 367ft/1000yds large field of view.
- Quick alignment, compatible with phone case, portable and stable. Suitable for iPhone 13 series, 12 series, 11 series, X, XR, Samsung GALAXY S series, Samsung NOTE series, LG, One Plus, Sony, Etc.
- Equipped with Fully Multi-coated lenses and 18mm BaK4 prisms, the HD binocular provides a great brightness, clarity and sharpness. Taking an excellent viewing experience especially when bird watching, hunting, hiking and sports.
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