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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.
IOR is producing the following models of rifle scopes for the commercial market. The scopes are produced in batches and thus not all of them are always available on the market. Since early 2000s I.O.R. has started to produce very extravagant tactical scopes with technical solutions not often found by other brands.
This is a list of United States Army fire control, and sighting material by supply catalog designation, or Standard Nomenclature List (SNL) group "F".The United States Army Ordnance Corps Supply Catalog used an alpha-numeric nomenclature system from about the mid-1920s to about 1958.
A classic lens-coating material is magnesium fluoride, which reduces reflected light from about 4% to 1.5%. At 16 atmosphere to optical glass surfaces passes, a 4% reflection loss theoretically means a 52% light transmission (0.96 16 = 0.520) and a 1.5% reflection loss a much better 78.5% light transmission (0.985 16 = 0.785). Reflection can be ...
One of REL's more popular products was their 7 × 50 military binoculars. Research Enterprises Limited (REL for short) was a short-lived Toronto-based Crown Corporation that built electronics and optical instruments during World War II.
SWAROVSKI OPTIK, headquartered in Absam, Tyrol, Austria is part of the Swarovski group of companies. Founded in 1949, the Austrian company specialises in the development and manufacturing of long-range optical instruments in the premium segment of the market, including binoculars, telescopes (spotting scopes), rifle scopes, range finders and night sight devices.
Tasco imports binoculars with magnifications ranging between seven and ten power. They also offer Snapshot series binoculars, which include an ability to record video and capture still pictures as seen through the binoculars. Users can transfer images to a computer via a USB cable. Tasco provides software for viewing and printing photographs ...
Naval range-finding instruments of 1936. Barr & Stroud Limited was a pioneering Glasgow optical engineering firm. They played a leading role in developing modern optics, including rangefinders, for the Royal Navy and other branches of British Armed Forces during the 20th century.