Established in 1995, Guanghi Optical Instrument Co., Ltd. is a joint stock China 7x50 binocular manufactuer and designer engaged in the manufacturing and marketing of a wide variety of Optical Instrument and products. Our products are widely applied in the education of students, research in lab, entertainment and science explore. During more than one decade's development, our products have awarded the CE certificate. We also have our own quality control system and customer' service system. So we can accept the order against customers' samples, specifying designs, specifications, and packaging requirements. We also prepared to accept the OEM and custom 7x50 binoculars with customer's own trade marks or brand names.

Multicoated aspherical lens for clear viewing
BaK4 high-index prisms
Ample exit pupils for superior light gathering
Magnification: 7x
Objective lens: 50mm
Nikon is a precision optical company with worldwide manufacturing, research and marketing capabilities. The Nikon name is equated with extraordinary photographic performance, innovation, precision and optical quality.PRODUCT FEATURES: Bright, Multicoated Optics; Aspherical eyepiece lens elements; Ergonomic body design; BaK4 High Index Prisms; Rubber armored; Tripod Adaptable.Choose from three feature-rich models - whether you want center focus, traditional individual focus, or a model with a compass and reticle. All are rubber covered to protect against rough handling. All provide maximum optical performance with BAK-4 prisms and multi-coatings for sharp images with high contrast and resolution. Each model has a large, 50mm objective lens to offer maximum image brightness even in low light conditions, like dusk and dawn.The 7 x 50 center focus binocular has a large objective wheel with smooth grips which make viewing simple. It is also completely waterproof allowing it to go in any weather condition. The lenses are dry nitrogen charged and sealed with internal O-rings to assure prevention of internal fogging.

Fully coated optics for superior light transmission and brightness
Unique focus-free feature stays in focus at most viewing distances
Non-slip rubber armor absorbs shock while providing a firm grip
Magnification: 7x
Objective lens: 50mm
The affordably priced PermaFocus binos are a relief for simple, fixed-focus, long-distance viewing. The wider field-of-view makes them ideal for spectator sports, distant wildlife observation or winter use with gloves. Thanks to quality fully-coated optics the action is bright and crisp and the ergonomic rubber housing means you won't drop them--even with gloves on. Magnification, optical coatings, and lens diameter are just a few of the factors influencing how a binocular performs.However, the single most important criterion in performance will always be the quality of the optics. Celestron delivers optical excellence through careful consideration of quality in the glass and lens coatings used, precision manufacturing processes, and uncompromising quality control.

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