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The SIGM400 Predator is a rifle while the SIGPM400 Elite PSB is a pistol. The rifles are chambered for either 5.56×45mm NATO with 14.5-inch (37 cm), 16-inch (41 cm), 18-inch (46 cm), or 20-inch (51 cm) barrels threaded 1/2x28, or chambered for .300 AAC Blackout with 9-inch (23 cm) or 16-inch (41 cm) barrels which are threaded 5/8x24 for muzzle devices such as sound suppressors.
The Sigma APO 120-400mm F4.5-5.6 DG OS HSM lens is a super-telephoto lens produced by Sigma Corporation. It contains three SLD (Special Low Dispersion) glass elements to provide correction for chromatic aberration. It is aimed toward advanced consumers.
The Smith & Wesson SW series, most commonly referred to as the Smith & Wesson Sigma, was Smith & Wesson's first venture into using synthetic materials in pistol construction, with high-strength polymer material for the frame. The Smith & Wesson Sigma is somewhat infamous in the gun community due to its controversial history.
Sigma Corporation (株式会社シグマ, Kabushiki-gaisha Shiguma) is a Japanese company, manufacturing cameras, lenses, flashes and other photographic accessories. All Sigma products are produced in the company's own Aizu factory in Bandai , Fukushima , Japan .
Sigma (/ ˈ s ɪ ɡ m ə / SIG-mə; [1] uppercase Σ, lowercase σ, lowercase in word-final position ς; Ancient Greek: σίγμα) is the eighteenth letter of the Greek alphabet. In the system of Greek numerals , it has a value of 200.
Sigma 8mm f/4 EX DG lens; Sigma 10mm f/2.8 EX DC Fisheye HSM lens; Sigma 12-24mm f/4.5-5.6 lens; Sigma 18-35mm f/1.8 DC HSM A; Sigma 18-50mm f/2.8-4.5 DC OS HSM lens; Sigma 18-300mm f/3.5-6.3 DC Macro OS HSM lens; Sigma 18–50mm f/2.8 EX DC Macro lens; Sigma 20mm F1.4 DG HSM Art; Sigma 24-35mm F2 DG HSM Art; Sigma 24mm f/1.8 EX DG lens; Sigma ...
Full width at half maximum. In a distribution, full width at half maximum (FWHM) is the difference between the two values of the independent variable at which the dependent variable is equal to half of its maximum value.
Four Thirds logo. The Four Thirds System is a standard created by Olympus and Eastman Kodak for digital single-lens reflex camera (DSLR) design and development. [1] Four Thirds refers to both the size of the image sensor (4/3") as well as the aspect ratio (4:3).