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Magnifying Glass
A magnifying glass is a convex lens—usually mounted in a frame with a handle—that is used to produce a magnified image of an object. A magnifying glass can also be used to focus light, such as to concentrate the Sun's radiation to create a hot spot at the focus for fire starting. Evidence of magnifying glasses exists from antiquity. The magnifying glass is an icon of detective fiction, particularly that of Sherlock Holmes. An alternative to a magnifying glass is a sheet magnifier, which comprises many very narrow concentric ring-shaped lenses, such that the combination acts as a single lens but is much thinner. Use The convex lens of a magnifying glass can be used to produce a magnified image An image or picture is a visual representation. An image can be Two-dimensional space, two-dimensional, such as a drawing, painting, or photograph, or Three-dimensional space, three-dimensional, such as a carving or sculpture. Images may be di ... of an object. A magnify ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mag Glass Request
Mag, MAG, Mags or mags may refer to: Arts, entertainment and media * MAG (video game), ''MAG'' (video game), released in 2010 * Mág (film), ''Mág'' (film), a 1988 Czech film * Mag (Slovenian magazine), ''Mag'' (Slovenian magazine), published from 1995 to 2010 * ''The Mag'', a British music magazine * Mag, a playable character from ''Warframe'' Businesses and organisations * MacKenzie Art Gallery, Regina, Saskatchewan, Canada * Manchester Airport Holdings, trading as MAG, a British holding company * Maricopa Association of Governments, the regional agency for the greater Maricopa region in Arizona, U.S. * Mines Advisory Group, a non-governmental organization * MAG motorcycle engines, manufactured by Motosacoche * Hungarian General Machine Factory (, MÁG), a former automobile and aircraft manufacturer Military * a United States Marine Corps aviation group * FN MAG, a machine gun * MAG-7, a shotgun People * Maumoon Abdul Gayoom (born 1937) President of the Maldives from 1978 to 2 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Magnification Power Of A Loupe
Magnification is the process of enlarging the apparent size, not physical size, of something. This enlargement is quantified by a size ratio called optical magnification. When this number is less than one, it refers to a reduction in size, sometimes called ''de-magnification''. Typically, magnification is related to scaling up visuals or images to be able to see more detail, increasing resolution, using microscope, printing techniques, or digital processing. In all cases, the magnification of the image does not change the perspective of the image. Examples of magnification Some optical instruments provide visual aid by magnifying small or distant subjects. * A magnifying glass, which uses a positive (convex) lens to make things look bigger by allowing the user to hold them closer to their eye. * A telescope, which uses its large objective lens or primary mirror to create an image of a distant object and then allows the user to examine the image closely with a smaller eyepi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Eyeglasses
Glasses, also known as eyeglasses (American English), spectacles (Commonwealth English), or colloquially as specs, are Visual perception, vision eyewear with clear or tinted lens (optics), lenses mounted in a frame that holds them in front of a person's Human eyes, eyes, typically utilizing a bridge over the nose and hinged arms, known as temples or temple pieces, that rest over the ears for support. Glasses are typically used for Corrective lens, vision correction, such as with reading glasses and glasses used for nearsightedness; however, without the specialized lenses, they are sometimes used for cosmetic purposes. Safety glasses are eye protection, a form of personal protective equipment (Personal protective equipment, PPE) that are worn by workers around their eyes for protection. Safety glasses act as a shield to protect the eyes from any type of foreign debris that may cause irritation or injury; these glasses may have protection on the sides of the eyes as well a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
