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A q-plate is an optical device that can form a light beam with orbital angular momentum (OAM) from a beam with well-defined spin angular momentum (SAM). Q-plates are based on the SAM-OAM coupling that may occur in media that are both anisotropic and inhomogeneous , such as an inhomogeneous anisotropic birefringent waveplate .
M145 Machine Gun Optic fitted to a M240B machine gun. The M145 Machine Gun Optic is a variant of the C79 that was developed for the U.S. Army and is commonly mounted on M240 and M249 machine guns. The M145 is unusual when compared with other optical sights in use with the United States military in that ballistic compensation is in the mount ...
Springfield Armory, Inc., is an American commercial firearms manufacturer and importer based in Geneseo, Illinois. Founded in 1974 by Bob Reese and family, the company produces rifles such as the M1A and imports handguns such as the XD series and Hellcat .
Variable-zoom telescopic sights in the low magnification range (1–4×, 1–6×, 1–8×, or even 1–10×) are known as low-power variable optics or LPVOs. These telescopic sights are often equipped with built-in reticle illumination and can be dialed down to 1× magnification.
The 1913 rail (MIL-STD-1913 rail) is an American rail integration system designed by Richard Swan [1] that provides a mounting platform for firearm accessories. It forms part of the NATO standard STANAG 2324 rail.
Autoimmune optic neuropathy (AON), sometimes called autoimmune optic neuritis, may be a forme fruste of systemic lupus erythematosus (SLE) associated optic neuropathy. AON is more than the presence of any optic neuritis in a patient with an autoimmune process, as it describes a relatively specific clinical syndrome.
The crystal is cut into a plate, with the orientation of the cut chosen so that the optic axis of the crystal is parallel to the surfaces of the plate. This results in two axes in the plane of the cut: the ordinary axis , with index of refraction n o , and the extraordinary axis , with index of refraction n e .
From left to right 9.3×62mm, .30-06 Springfield, 8mm Mauser, 6.5×55mm and .308 Winchester cartridges. Norma Oryx Soft Point cartridges in plastic holder (producer Norma Precision AB, Sweden) The 9.3×62mm (also known as 9.3×62mm Mauser ) is a rimless, bottlenecked rifle cartridge designed in 1905 by German gunmaker Otto Bock.
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related to: optic plates for springfield prodigy 9mm comp for sale 30 gr