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  2. Bushnell Corporation - Wikipedia

    en.wikipedia.org/wiki/Bushnell_Corporation

    Binoculars: Bushnell sells a wide variety of binoculars and was awarded the Best Buy award from Outdoor Life magazine in 2005 for their Browning Sports Optics binoculars and in 2006 for their Legend binoculars. [22] [23] Microscopes; Telescopes: Bushnell made smaller amateur optical telescopes. Some popular models include the "ARES 5", and the ...

  3. Opera glasses - Wikipedia

    en.wikipedia.org/wiki/Opera_glasses

    Magnification power below 5× is usually desired in these circumstances in order to minimize image shake and maintain a large enough field of view. [1] A magnification of 3× is normally recommended. The design of many modern opera glasses of the ornamental variety is based on the popular lorgnettes of the 19th century. Often, modern theatre ...

  4. 50 of the coolest gifts for teens: Hoodie blankets, glitter ...

    www.aol.com/lifestyle/best-gifts-for-teens...

    The interests of a 13-year-old are a heck of a lot different than those of a 17-year-old, after all. ... of the best gifts out there for teen girls and boys, ... crossbody bag is big enough to fit ...

  5. Binoculars - Wikipedia

    en.wikipedia.org/wiki/Binoculars

    Binoculars housings can be made of various structural materials. Old binoculars barrels and hinge bridges were often made of brass. Later steel and relatively light metals like aluminum and magnesium alloys were used, as well as polymers like (fibre-reinforced) polycarbonate and acrylonitrile butadiene styrene. The housing can be rubber armored ...

  6. Night-vision device - Wikipedia

    en.wikipedia.org/wiki/Night-vision_device

    A US airman tests AN/AVS-10 panoramic night-vision goggles in March 2006. Member of the U.S. Marine Corps testing out the GPNVG-18. Night vision devices typically have a limited field of view (FoV); the commonly used AN/PVS-14 has a FoV of 40, [66] less than the 95° monocular horizontal FoV and humans' 190° binocular horizontal FoV. [67]

  7. Binocular vision - Wikipedia

    en.wikipedia.org/wiki/Binocular_vision

    Principle of binocular vision with horopter shown. In biology, binocular vision is a type of vision in which an animal has two eyes capable of facing the same direction to perceive a single three-dimensional image of its surroundings. Binocular vision does not typically refer to vision where an animal has eyes on opposite sides of its head and ...

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