Sigma 24 70mm f28 EX DG HSM Lens Canon AF

This zoom range from Sigma represents their finest quality and includes ELD Extra Low Dispersion glass, apherical lens elements and a Hyper Sonic Motor for fast and quiet focusing. It also has a nine blade rounded aperture design to give a natural look to out of focus areas.The following information is detailed on Sigma's website httpwww.sigma imaging uk.com opens a new windowExcellent optical performanceELD Extraordinary Low Dispersion glass, two SLD Special Low Dispersion glass elements and a molded glass aspherical lens provide excellent correction for all types of aberrations. High image quality is assured throughout the entire zoom range.Large aperture standard zoom lens with a compact constructionThe lens has a compact construction with an overall length of 94.7mm 3.7”. It is ideal for many situations such as portrait, landscape and general photography.F2.8 large aperture throughout the entire zoom range This lens offers a large aperture of F2.8 throughout its entire zoom range. It provides freedom of creative expression and is ideal for photography indoors or in low light.HSM Hyper Sonic Motor HSM ensures a quiet and high speed AF as well as full time manual focus override by rotation of the focus ring.Inner focusing systemThe inner focusing system eliminates front lens rotation as well as providing high speed AF and convenient handling.Rounded diaphragmThe rounded 9 blade diaphragm creates a soft, attractive blur to the out of focus areas of the image.Reduced Flare and GhostingThe super multi layer coating reduces flare and ghosting and provides high contrast images throughout the lens’ focal length.Petal Type HoodThis lens is equipped with a Petal type hood to block out extraneous light and reduce internal reflections.Additional SpecificationsLens Construction 14 Elements in 12 GroupsAngle of View 84.1 34.3°Minimum Aperture f22Minimum Focus 38cmMaximum Magnification 0.189x 15.3