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Leupold & Stevens, Inc. is an American manufacturer of telescopic sights, red dot sights, binoculars, rangefinders, spotting scopes, and eyewear located in Beaverton, Oregon, United States. The company, started in 1907, is on its fifth generation of family ownership.
Venus Optics (Anhui ChangGeng Optics Technology Co., Ltd.) is a Chinese manufacturer of photographic lenses, specialized in the design of innovative macro, wide angle, shift and f/0.95 lenses. Headquarters and production are in Hefei , while sales and marketing office is located in Hong Kong and the USA.
Four 22 m fully steerable radio telescopes. At the 1960s the centimeter and millimeter-wavelength RT-22s had a world record-breaking high angular resolution for individual radio telescopes. Operated by the Pushchino Radio Astronomy Observatory. DKR-1000 Pushchino, Russia DKR-1000 is the world largest telescope operating in the meter wavelength ...
Tasco mainly imports telescopes for amateur astronomers but has expanded into other optical products, such as spotting scopes, microscopes, binoculars, telescopic sights, and other rifle accessories. Tasco sells via retail stores, catalogs, and online retailers. Tasco is based in Miramar, Florida.
Olympus Corporation [4] is a Japanese manufacturer of optics and reprography products, headquartered in Hachioji, Tokyo.Olympus was established in 1919, initially specializing in microscopes and thermometers, and later in imaging. [5]
David Pearsall Bushnell (1913–2005) was an American entrepreneur who founded the Bushnell optics company in 1948. Bushnell made precision binoculars affordable to middle-class Americans for the first time through a strategy of importing from manufacturers who provided optics to his patented specifications.
Leistner holds certificates in precision optics, geometrical optics, optical design drawing, and mathematics from Optic Carl Zeiss Jena Technical College. He has served as a member of the Australian Optical Society and on international conference working committees for SPIE and the Optical Society of America.
Aimpoint is a manufacturing company founded in 1974. [1] Their primary products are reflector (or reflex) sights, specifically the red dot sight sub-type. In 1975 they introduced their first product, [2] the "Aimpoint Electronic" red dot sight, based on a design by Helsingborg engineer John Arne Ingemund Ekstrand. [3]