Sigma APO 70-200mm F2.8 EX DG OS HSM Lenses

Sigma APO 70-200mm F2.8 EX DG OS HSM is the second generation of this large aperture telephoto zoom lens now incorporating Sigma’s Optical Stabilization function, OS. Two FLD glass elements, which have the performance equal to fluorite glass have also been added along with three SLD glass elements, all which provide excellent correction of color aberration. In spite of the additions of all of these features, Sigma has managed to make the lens more compact than its predecessor, measuring only 7.8” in length. For any serious photographer where the 70-200mm focal range is often the most important second lens to own after the initial standards lens or mid range zooms. The fast aperture is extremely useful and important in low light environments or when shooting fast moving situations where a higher shutter speed demands maximum lights thru the lens. HSM ensures quiet and high speed AF as well as full-time manual focus capability. Super Multi-Layer lens coating reduces flare ghosting and assures high image quality throughout the entire zoom range. It has a minimum focusing distance of 55.1 inches throughout the entire zoom range and a maximum magnification ratio of 1:8 The rounded 9 blade diaphragm creates an attractive blur to the out of focus images. This lens is equipped with a petal-type hood. Its exceptional versatility as an all-around lens is perfect for journalists and wedding photographers. This latest version of the Sigma 70-200mm is well regarded for its outstanding image quality, light weight and ease of operation. Designed for use with full frame digital SLR cameras. May also be used with smaller APS-c size sensors with a corresponding effective increase in focal length to about 100 to 300mm with most cameras Offers Sigma’s OS System (Optical Stabilization) allowing handheld photography even in low-light situation HSM (Hyper-Sonic Motor) ensures a quiet & high-speed auto focus FLD glass elements with performance equal to fluorite glass for compensate for color aberration Detailed specifications of the Sigma 70-200mm F2.8 EX DG OS HSM Lens   Lens Construction 22 Elements in 17 Groups Angle of View 34.3-12.3 Number of Diaphragm Blades 9 Mininum Aperture f22 Minimum Focusing Distance 140 cm / 55.1 in Filter Size (mm) 77 Maximum Magnifications 1:08 Dimensions 86.4x197.6 mm/3.4x7.8 in (Diameter x Length)   Corresponding Mounts Sigma    Nikon    Canon    Sony/Minolta    Pentax  *The Pentax mount Tele Converter cannot be used with this particular lens. *Nikon and Pentax mounts do not have an aperture ring. Some functions may not work depending on the camera model. *For Nikon and Canon mounts, Optical Stabilizer (OS) function will not work with film SLR cameras except Nikon F6 and Canon EOS-1V. *For Pentax and Sony mounts, it is not possible to use the AF and the built-in OS function of this lens when attaching it to film SLR cameras as well as Pentax *ist series and K100D. *When using the OS function of a lens with a camera which incorporates a stabilizer unit, please turn the camera’s stabilizer unit off. *The appearance, specifications, and the like of the product may be subject to change for improvement.