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Video magnifier. Video magnifiers are electronic devices that use a camera and a display screen to perform digital magnification of printed materials. The display screen is usually LCD or a similar flat-screen technology (although older video magnifiers have used CRT displays), and the device usually includes a lamp to illuminate the source ...
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 variety of purposes. It can be employed to focus sunlight, harnessing the Sun's rays to create a concentrated hot ...
Walgreens can’t keep it in stock. For the beleaguered drugstore chain, the odd “Gummy Mango” candy is a much-needed win. It arrived last fall in about 2,500 of its 8,700 US stores, and ...
In June 2012, it was announced that Walgreens, the United States' largest chemist chain, would purchase a 45% stake in Alliance Boots for US$6.7 billion. The deal was said to be a long-term plan to give maximum exposure to both brands, Boots more so in the US and, Walgreens more so in the UK and in China through Boots' presence in that market.
Rectaflex (Italy): first SLR camera equipped with a pentaprism for eye-level viewing. The first prototype of the Rectaflex was presented by Telemaco Corsi at the Milano Fair in April 1947. It was a wooden mock-up, with a mirror eye-level finder. This first prototype used a five-facet roof optic prism giving a left to right inverted image.
The MagniPros Magnifier is only four ounces. This reading magnifier makes it easier to see books, newspapers, and so much more. (Photo: Amazon) "Love it!" one customer raved. "The packaging seems ...
A sight or sighting device is any device used to assist in precise visual alignment (i.e. aiming) of weapons, surveying instruments, aircraft equipment, [ 1][ 2] optical illumination equipment or larger optical instruments with the intended target. Sights can be a simple set or system of physical markers that serve as visual references for ...
A sight magnifier is an optical telescope that can be paired with a non-magnifying optical sight on a weapon to create a telescopic sight. [1] [2] They work with the parallel collimated reticle image produced by red dot sights and holographic weapon sights. [3] [1] They may synonymously be referred to as a red dot magnifier, reflex sight ...
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