B08P3H26RW ERGDFH 10X42 Binoculars Waterproof Professional Camping Telescope Zoom Bak4 Prism Optics with Binoculars Strap

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ROOF PRISM DESIGN – For streamlined and durability,optimize light transmission.
42mm FULLY MULTI-COATED LENSES – Increase light transmission to allow the most light for the best viewing experience.
TWIST-UP EYECUPS – Adjustable eye cups that twist up and down for comfortable viewing with or without eyeglasses.
WATERPROOF & FOGPROOF – Nitogen sealed body for waterproof and fog proof protection in any weather and any environment.
Adjusts the focus of both binocular barrels at the same time,RIGHT EYE DIOPTER – Adjusts for differences in a user’s eyes. Located by the right eyepiece,RUBBER ARMORIN – Provides a secure, non-slip grip, and durable external protection.