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IWC International Watch Co. AG, founded International Watch Company, better known as IWC Schaffhausen, is a Swiss luxury watch manufacturer located in Schaffhausen, Switzerland. [1] Originally founded in Switzerland by American watchmaker Florentine Ariosto Jones in 1868, the company was transferred to the Rauschenbach family in 1880 after ...
The ETSI rack is defined by the European Telecommunications Standards Institute (ETS 300 119). The distance of the right edge of the right mounting rail to the left edge of the left mounting rail is 535 millimetres (21.1 in). As 535 mm is very close to 21 inches, these racks are sometimes called 21-inch racks. The gap between the posts is 500 ...
Konica mount may refer to: Konica F-mount, 35mm SLR lens mount between 1960 and 1965; Konica AR-mount, 35mm SLR lens mount between 1965 and 1988; Konica KM-mount, 35mm Leica M-compatible rangefinder lens mount between 1999 and 2002; Konica L-mount, 35mm Leica L-compatible screw lens mount (M39×26tpi)
The AR-mount lenses may be divided into several types, based mostly on cosmetics. When the Autoreflex T was introduced in 1967, Konica added a lever to signal the widest aperture setting for the through-the-lens (TTL) in-body light meter; Konica also offered a free service to retrofit the earliest AR-mount lenses with the new lever.
Pages in category "Konica AR-mount cameras" The following 4 pages are in this category, out of 4 total. This list may not reflect recent changes. A. Konica Autoreflex; F.
It is similar in concept to the earlier commercial Weaver rail mount used to mount telescopic sights, but is taller and has wider slots at regular intervals along the entire length. The MIL-STD-1913 locking slot width is 0.206 in (5.23 mm). The spacing of slot centres is 0.394 in (10.01 mm) and the slot depth is 0.118 in (3.00 mm). [8]
A prototype of the MOE slot was revealed by Magpul in late 2007 together with their Masada Concept Rifle (which would later be known as the Adaptive Combat Rifle).Magpul released the MOE slot system in 2008 as a feature on their MOE handguards, and at the same time compatible accessories such as Picatinny rail sections, direct MOE mounted light mounts, grips, bipod studs, etc. were released.
For the simplified scenario of visible light travelling from air (n 0 ≈ 1.0) into common glass (n S ≈ 1.5), the value of R is 0.04, or 4%, on a single reflection. So at most 96% of the light (T = 1 − R = 0.96) actually enters the glass, and the rest is reflected from the surface. The amount of light reflected is known as the reflection loss.