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8×42 roof prism binoculars with rainguard and opened tethered lens caps. Binoculars or field glasses are two refracting telescopes mounted side-by-side and aligned to point in the same direction, allowing the viewer to use both eyes (binocular vision) when viewing distant objects.
Crown glass is a type of optical glass used in lenses and other optical components. It has relatively low refractive index (≈1.52) and low dispersion (with Abbe numbers between 50 and 85). Crown glass is produced from alkali-lime silicates containing approximately 10% potassium oxide and is one of the earliest low dispersion glasses .
Kola Real. Cavan Cola. Est Cola. Website. coca-cola.com. Coca-Cola, or Coke, is a carbonated soft drink with a cola flavor manufactured by the Coca-Cola Company. In 2013, Coke products were sold in over 200 countries worldwide, with consumers drinking more than 1.8 billion company beverage servings each day. [1]
Lead glass, commonly called crystal, is a variety of glass in which lead replaces the calcium content of a typical potash glass. Lead glass contains typically 18–40% (by mass) lead(II) oxide (PbO), while modern lead crystal , historically also known as flint glass due to the original silica source, contains a minimum of 24% PbO. [2]
A dioptre ( British spelling) or diopter ( American spelling ), symbol dpt, is a unit of measurement with dimension of reciprocal length, equivalent to one reciprocal metre, 1 dpt = 1 m−1. It is normally used to express the optical power of a lens or curved mirror, which is a physical quantity equal to the reciprocal of the focal length ...
—Alan di Perna, in Guitar World, May 2006 Rolling Stone critic Alan di Perna praised Gilmour's guitar work as integral to Pink Floyd's sound, and described him as the most important guitarist of the 1970s, "the missing link between Hendrix and Van Halen ". Rolling Stone named him the 14th greatest guitarist of all time. In 2006, Gilmour said of his technique: "[My] fingers make a distinctive ...
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