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NOBLEX E-Optics GmbH, formerly Docter Optics, is a German manufacturer of optics, including binoculars, rifle scopes, spotting scopes, red dot sights, flashlights and reading glasses. Its headquarters are in Eisfeld, Thuringia, Germany, where most of the products are developed and manufactured. Docter is part of the Analytik Jena Group. [1]
Science Citation Index Expanded [2] Scopus [ 6 ] According to the Journal Citation Reports , the journal has a 2021 impact factor of 10.050, ranking it 52nd out of 345 journals in the category "Materials Science, Multidisciplinary" [ 7 ] and 9th out of 101 journals in the category "Optics".
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This formula gives the best-case resolution performance and is valid only for perfect optical systems. The presence of aberrations reduces image contrast and can effectively reduce the system spatial cutoff frequency if the image contrast falls below the ability of the imaging device to discern. The coherent case is given by
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Once the cut is clean (assuming it isn’t bleeding profusely — more on that in a moment), Hall says you can “apply a thin layer of petroleum jelly like Vaseline or Aquaphor.”
China countered President Donald Trump’s across-the-board tariffs on Chinese products with tariffs on select U.S. imports. It will also launch an antitrust investigation into Google and other trade measures.
Ophthalmic laboratory technicians must understand optics and how to use machinery in order to surface, coat, edge, or finish lenses according to specifications provided by dispensing opticians. They typically insert lenses into frames, also called glazing, to produce finished glasses and conduct all quality and safety testing required by the ...