ESSLNB Binoculars 403ft BAK4 Waterproof Binocular

ESSLNB Binoculars 403ft BAK4 Waterproof Binocular
4.6 out of 5 stars
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Questions to consider when choosing ESSLNB Binoculars 403ft BAK4 Waterproof Binocular


IPX7 Waterproof binocular Dry nitrogen-filled and O-ring sealed binoculars is 100 waterproof in water for 30 minutes under one meter depth.The interior optical surfaces can prevent dust-proof,fogging and moisture damage. It s perfect for outdoor activities such as climbing, hiking, driving, watching wildlife and scenery. The fully multi-coated green film prism maximizes light transmission and improved contrast and clarity. Animal and bird watching binoculars through HD BAK4 prism high quality optics brings you better visual experience with true and natural colorful image. Low-light night vision binoculars ensure comfortable viewing and performance in twilight conditions, so you can see a natural image at dusk and dawn. Roof prism binoculars had a more complex light path so that appeared simpler than porro prism binoculars. Green FMC coating Eyepieces ensure images is bright and sharp. Phase-correction coating applied to the prisms, effectively enhances the images resolution and contrast. 8X power magnification allows you to achieve a significantly wide field of view 403 fts 1000 yds , give you the ability to scout out larger amounts of ground. Use With or Without Glasses 18mm long eye relief is powerful enough to pick up a lot of details from far away object. It is an ideal binoculars for glasses wearers. Twist up the eye-cups if you wear glasses which can keep the distance between your glasses and the lens.Compact and lightweight binoculars is easy to operate with one hand,even for kids. Solid Structure and Compact Binoculars with Phone Adapter Parallax adjustment and focusing center wheels are made of metal for durability.Smartphone adapter is easy to set up and take videos or images. You can connect it to a tripod with 1 4 -20 threads.Covered with shock-absorbing rubber armor, it provides protection as well as a a comfortable and firm grip.8X32 birding binoculars for adults with bag and strap, easy to carry.

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What is the advantage of this ESSLNB Binoculars 403ft BAK4 Waterproof Binocular?


FMC fully multi-coated green film objective lens, eyepiece-optical is also made of green FMC coating to minimize light loss while enhancing color and brings you bright and clear images.403ft 1000yds,18mm eye relief is powerful enough to pick up a lot of details from far away objects,specially designed for outdoor activities such as climbing, hiking, driving, watching wildlife and scenery.

BAK4 prims offers higher refractive index rate, brighter edges.

Made with anti-reflective lens coatings to help increase light transmission, they will give you crystal clear vision.

The essential difference between BAK4 prism and K7 K9 prism is the different light transmittance. The transmittance of the BK7 prism is much less than BAK4 prism, that is, more light entering the lens barrel is lost, resulting in dim and unclear images.

FMC Lens

Wide Field Of View


Twist-up eyepiece

This 8×32 binoculars is compact and lightweight . You won t be easy to feel tired while you are holding them to enjoying hours of viewing wildlife or concerts.

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Customer reviews

David Stanley: Definitely not good for viewing the Stars

I was going to use this for watching dolphins and whales it is much too shaky for handheld and and the tripod it comes with even if you set it up level it up it has a jerk to the twist it doesn t moves easily at all I would rate it at 3 stars I would have returned it but we were in the process of moving in the box got thrown away somehow so I m keeping it eating the loss I am sure there are better ones out there

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