The Sigma APO 70-300mm f/4-5.6 DG Macro Lens For Pentax Mount  is a compact telephoto zoom lens. These lenses have a range useful for candid portraits, capturing children playing in the backyard, amateur sports or even wildlife at the zoo.
This lens is usually the lens that photographers reach for first. It’s great on vacation for capturing scenic details or even groups of flowers in a garden. The Sigma 70-300mm offer a 4 to 1 zoom ratio in a compact lens that is easily carried in your camera bag or left on the camera as you travel; and the images are magnificent.
- Compact & capable of macro photography at 300mm
- APO-Chromatic are built with the highest grade glass
- Lens hood, front & rear caps
DG for Digital
|Designed to deliver the ultimate in performance on full-frame digital SLRs, Sigma DG lenses also bring out the best in 35mm SLR film cameras and APS-C size DLSRs.
|In order to attain the highest quality images, the APO lens has been made using special low-dispersion (SLD) glass and is designed to minimize color aberration.
Telephoto zoom lenses with tele-macro function, optimized for digital cameras
The high performance telephoto zoom lens is ideal for digital SLR cameras. This lens has two SLD glass elements in the front lens group and one in the rear lens group It is able to shoot with maximum magnification 1:2 at the focal length of 300 mm. It's the ideal lens for portraits, sports photography, nature photography, and other types of photography that frequently use the telephoto range
New coating reduces Ghost and Flare
The new multi layer lens coating and lens design reduce flare and ghost, which is a common problem with digital cameras and also creates an optimum color balance through the entire zoom range.
It is equipped with three pieces of SLD glass for high image quality
This lens has two SLD (Special Low Dispersion) glass elements in the front lens group and one in the rear lens group, the lens has excellent correction of chromatic aberration through the entire zoom range.
Macro shooting with maximum magnification 1:2
High optical performance is demonstrated throughout the entire zoom range. It also has a switch that converts the lens to macro photography at focal lengths between 200mm and 300mm with a minimum focusing distance of 95cm (37.4 inches). In normal mode the minimum focusing distance is 150cm (59.1 inches) at all zoom settings. Maximum magnification between 200mm and 300mm is 1:2.9 to 1:2.