|APO||The lens incorporates low dispersion elements to minimize chromatic aberrations and ensure excellent sharpness and contrast even at maximum aperture.|
|EX||Professional lens with high quality optics and robust build. Meets the highest standards and provides excellent performance and flawless image quality unachievable with traditional optical technologies.|
|DG||The lens is designed for full-frame SLR cameras but can be also used on APS-C SLR cameras.|
|Maximum format:||35mm full frame|
|Diagonal angle of view:||12.3°-5° (35mm full frame)|
|9.7°-3.9° (Canon APS-H)|
|7.8°-3.1° (Canon APS-C)|
|8.1°-3.2° (Nikon APS-C)|
|7.1°-2.8° (Sigma APS-C)|
|Lens construction:||17 elements in 13 groups, including:|
|Number of blades:||9|
|Closest focusing distance:||200mm: 200 cm|
|500mm: 500 cm|
|Type of autofocus motor:||Micromotor (Canon EF)|
|No motor (Nikon F)|
|No motor (Sigma SA)|
|Full-Time Manual Focus:||Yes|
|Weight:||SA: 15700 g|
|Maximum diameter x Length:||SA: Ø236.5 x 726 mm|
|Filter size:||72 mm (rear)|
Design and Features
The lens barrel is large, heavy, made of metal. The lens mount is metallic.
The lens features AF/M focus mode switch.
|AF||Autofocus mode with Full-Time Manual Focus.|
|M||Manual focus mode.|
The lens features focusing distance range limiter which allows to choose between the following focusing distance ranges:
|FULL||Full range of focusing distances.|
|5 m - ∞||Range of focusing distances suitable for shooting distant subjects.|
|10 m - ∞||Range of focusing distances suitable for shooting distant subjects.|
By setting the suitable focusing distance range, the actual autofocusing time can be shorter.
The lens does not feature optical image stabilizer. It is a significant disadvantage for a lens of such class - the need for image stabilization only grows with increasing of focal length. In order to obtain sharp images with this lens, you will need to use a tripod or shutter speeds not longer than 1/500 second (at focal length of 500 mm) which may require in some cases increasing the ISO setting and will lead to noisy images.
- The autofocus will not be available with Nikon D40, D40X, D60, D3000-D3400, D5000-D5600 SLR cameras.
2) On a tripod
|User Manual. English, Adobe PDF, 516 KB|