SVBONY Telescope SA203 12×50 Binoculars Professional Powerful BAK4 IPX7 Waterproof Camping Equipment for Birdwatching Stargazing

Features:

1. SA203 binoculars use high-quality PPS plastic materials. PPS has high temperature resistance, corrosion resistance and superior mechanical properties.
2. SA203 binoculars are equipped with a comfortable neckband. The soft neckband is used in conjunction with binoculars, which is convenient to carry. The neckband has a wide width. The neck is less compressed and no discomfort.
3. SA203 binoculars use BAK4 prism; fully multi-coated optical lens, 12 times magnification; bring you a very clear and bright picture, let your eyes relax.
4. Twist-Up Eyecups, whether you wear glasses or not, you can easily find a suitable observation distance by adjusting the eyecup; 100% waterproof internal structure, to deal with the most extreme weather conditions, to ensure that you can watch uninterrupted vision.

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The large objective lens and eyepiece ensure more light pass through to ease up your eyestrain and make sure more details of the object can be seen.

BAK4 has a high refractive index and lower critical angle than other materials, which means it transmits light better with less light being lost due to internal reflectionsuch as from internal bubbles trapped during the manufacturing process.

100% waterproof internal structure, to deal with the extreme weather conditions, to ensure that you can watch uninterrupted vision.

SA203 binoculars use high-quality PPS plastic materials. PPS has high temperature resistance, corrosion resistance and superior mechanical properties.

Fully Multi-coated Glass means multiple coatings on all lens surfaces. And all air-to-glass surfaces are anti-reflective multi-layer coated. And fully multi-coated objective lensincreases the light transmission, delivers bright, clears and crisps images even in low-light conditions.

The big Anti Slip Central Focusing Wheel is easy to control.The diopter adjustment is designed to let you compensate for differences between your own two eyes, so that you can see a clear, focused imagewithout using eyeglasses or contact lenses to correct your vision.

SA203 binoculars are equipped with a comfortable neckband. The soft neckband is used in conjunction with binoculars, which is convenient to carry. The neckband has a wide width. The neck is less compressed and no discomfort.