Sigma 18-50mm f/2.8-4.5 SLD Aspherical DC Optical Stabilized (OS) Lens with Hyper Sonic Motor (HSM) for Nikon Digital SLR Cameras
An upgrade to its predecessor, the 18-50mm F2.8-4.5 DC OS HSM is a lens dedicated to Digital SLR cameras with APS-C size image sensors offering a large aperture and Sigma’s Optical Stabilization. Once again, Sigma has also engineered the built-in OS function, an anti-shake system, for Sony and Pentax mount allowing the photographer to see [...]
Sigma DG 52mm Multi-Coated UV Filter
Digitally Optimised (DG) Filters EX DG filters benefit from Sigma’s multi-layer lens coating, developed to counteract the highly reflective characteristic of image sensors. With older style filters, light would reflect off the image sensor, bounce off the lens and filter elements and re-enter the image sensor, creating a ghost image. The multi-layer coating dramatically reduces [...]
Sigma 30mm f/1.4 EX DC HSM Lens for Canon Digital SLR Cameras
Designed to match the APS-C size image sensors of Canon 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 [...]