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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.
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.
SVBONY Telescope SA204 10x50 Porro Binocular BAK4 Prism FMC Lens Profissional for Stargazing
Features:
1. SVBONY SA204 10x50 Porro Binocular.
2. Fully optics coated increase light transmission resulting in brighter and sharper images with high contrast levels.
3. Rubber armored, Support UNC 1/4-20 Tripod adaptable.
4. Adopting three-stage rotary lifting eye cup.
Field of View: 342ft/1000yds means when viewing objects at 1000 yards, you could see an area 342 feet wide. The 6.5 degree FOV and long eye relief make the binoculars comfortable to use.
There is one more option than the normal twist-up eyecups, so it is easier to adjust the most suitable distance between your eyes and the optical lens. Glasses wearers can adjust the eye cups up and down to reach a comfortable distance.
The body is waterproof, which prevents itself from the moisture and dirt in the air, and with this waterproof binoculars, it is available to view the nature in drizzling days and lives a longer lifespan.
