Sigma 30mm f/1.4 EX DC HSM Lens for Nikon Digital SLR Cameras

Amazon.comDesigned to match the APS-C size image sensors of Nikon digital SLR cameras, the Sigma 30mm f/1.4 lens is an ideal choice for a wide range of applications, including snapshots, portraiture, indoor shooting, and landscape photography. The 30mm lens relies on two special-low-dispersion glass elements and a glass-mold aspherical lens. Combined, the construction details correct for all types of chromatic and color aberrations. Other features include a maximum aperture of f/1.4, a 62mm filter mount, and a one-year warranty.SpecificationsFocal length: 30mm Maximum aperture: f/1.4 Lens construction: 7 elements in 7 groups Angle of view: 45 degrees (SD format) Number of diaphragm blades: 8 Minimum aperture: f/16 Minimum focusing distance: 15.7 inches Maximum magnification: 1:10.4 Filter size: 62mm Corresponding AF mounts: Nikon Dimensions: 2.97 inches in diameter and 2.3 inches long Weight: 15.2 ounces Warranty: 1 yearFrom the ManufacturerLarge maximum aperture of f1.4 The most appropriate coating for digital SLR cameras Two SLD (Special Low Dispersion) glass elements and an hybrid aspherical lens, provides the utmost correction for all types of aberrations This large aperture 30 millimeters f1.4 EX DC lens is designed to match the APS-C size image sensors of digital SLR cameras. Two SLD glass elements are especially effective in the compensation of magnification chromatic aberration.Glass mold aspherical lens at rear group of lens reduces color aberration and provides high-quality image results.From 40 centimeter (15.7 inches) minimum focusing distance to infinity, this lens creates very sharp images with high contrast.Large maximum aperture of f1.4 can perform superbly in a great range of applications, including snapshots, portraiture, indoor shooting and landscape photography. Note to customers: Vignetting will occur if the lens is used with digital cameras with image sensors larger than APS-C size or 35mm SLR cameras.