Sigma 28-300mm f/3.5-6.3 Aspherical IF Auto Focus Wide Angle Telephoto Macro Zoom Lens for Sigma Cameras

Sigma 28-300mm F3.5-6.3 MACRO lens...Ultra compact dimensions, length: 3.3", diameter: 2.9", Filter Size: 62mm and a 10.7:1 zoom ratio make this lens the ultimate traveling companion.

This versatile, all-purpose zoom can capture a wide ranging series of subjects using its wide angle, ultra-telephoto and close-up capabilities. It incorporates 2pcs Special Low Dispersion SLD glass elements and 4pcs Aspherical Lenses, to produce a high level of optical performance. Aspherical lenses provide excellent correction for all types of aberration while making a very compact construction possible.

This lens has a minimum focusing distance of 50cm (19.69 inches) at all focal lengths. Equipped with a macro mechanism for close-up photography at 300mm telephoto, with a reproduction ratio of 1:3. It is equipped with a "zoom lock" to prevent the zoom setting from being changed inadvertently.

It incorporates an internal focusing system, which eliminates front lens rotation, allowing the use of polarizing filters and Petal type hoods. The lens materials used in this new lens are lead and arsenic free ecological glass.