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A pen seen through a magnifying glass Jim Hutton as detective Ellery Queen, posing with a magnifying glass. A magnifying glass is a convex lens that is used to produce a magnified image of an object. The lens is usually mounted in a frame with a handle. Beyond its primary function of magnification, this simple yet ingenious tool serves a ...
Loupe-mounted lights used to be fed by fiber optic cables that connected to either a wall-mounted or table-top light source. Newer models feature a more convenient LED lamp within the loupe-mounted light and an electric cord coming from either the conventional wall-mounted or table-top light source or a belt clip rechargeable battery pack.
Binoculars concentrate the light gathered by the objective into a beam, of which the diameter, the exit pupil, is the objective diameter divided by the magnifying power. For maximum effective light-gathering and brightest image, and to maximize the sharpness, [27] the exit pupil should at least equal the diameter of the pupil of the human eye ...
One Florida man has set himself miles, or rather feet, apart from his neighbors this holiday season by constructing a massive replica of a classic Christmas film. J.P. Michalik combined his love ...
It has been proposed that glass eye covers in hieroglyphs from the Old Kingdom of Egypt (c. 2686–2181 BCE) were functional simple glass meniscus lenses. [39] The so-called Nimrud lens, a rock crystal artifact dated to the 7th century BCE, might have been used as a magnifying glass, although it could have simply been a decoration. [40] [41 ...
Although Eastland itself was a single-story mall, all three of its original anchor stores were constructed with two stories of retail space. The Sears store closed off its upper level at some point during the 1980s. With the closure and subsequent demolition of Northland in 2002, Eastland became the oldest shopping mall in the Columbus metro area.
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Longtime college football coach Jerry Faust died Monday.He was 89. Faust coached at Notre Dame from 1981 through 1985 and then spent nine years as the head coach at Akron.
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