Description
the Sigma APO MACRO 150mm F2.8 EX DG OS HSM, a large aperture medium telephoto macro lens which incorporates Sigma’s original Optical Stabilizer function.
Successor to the APO MACRO 150mm F2.8 EX DG HSM, introduced to market in October 2004, this new OS design offers the latest optical technology. A floating focusing system moves two different lens groups in the optical path to different positions. This system compensates for astigmatic aberration and spherical aberration and provides extremely high optical performance from infinity to 1:1 Macro.
Three SLD (Special Low Dispersion) glass elements provide excellent correction of all types of aberrations and the Super Multi-Layer Coating reduces flare and ghosting. This lens has superior peripheral brightness and provides sharp, high contrast images even at the maximum apertures.
Equipped with Sigma’s proprietary OS (Optical Stabiliser) function, this lens offers the use of shutter speeds approximately 4 stops slower than would otherwise be possible. The HSM (Hyper Sonic Motor) ensures quiet and high speed autofocus as well as full-time manual focus capability.
This lens has a rounded 9 blade diaphragm creating a smooth blur to the out of focus areas of the image. It is also possible to use this lens with Sigma’s optional APO Tele Converters.
HSM means this lens will autofocus on Nikon D40/D40x,
Nikon D60, Nikon D3000,
Nikon D3100 and the
Nikon D5000 DX Cameras
Features
The improved DG lens design corrects for various aberrations. This macro lens is specially coated to get the best color balance whilst cutting down on ghosting caused by reflections from the digital image sensor. The lens provides the utmost correction against lateral chromatic aberration which is a serious problem for digital SLR cameras.
G- This lens (similar to Nikon "G" type lenses) does not have an aperture ring on the lens, and is not fully compatible with the F4, N90-series, N70, N8008-series and N6006 (or older model) cameras. With these cameras, only programmed auto or shutter-priority auto exposure mode can be used.
Note: HSM lenses, while able to manually focus with all Nikon F-mount cameras, will not autofocus with certain older film AF cameras. This is the same limitation as with Nikon's own AF-S lenses. Incompatible models are: N60, N55, N8008/s, N6006, N5005, N4004 & N2020.
• Close focus capability of 15", with life-size magnification
• Two Special Low Dispersion (SLD) glass elements control various color aberrations and assure high image quality
• Hyper Sonic Motor HSM provides ultra quiet high-speed autofocusing as well as full-time manual focus override
Item Includes
• Sigma 150mm f/2.8 EX APO Macro EX DG HSM Autofocus Lens
• Front & Rear Lens Caps
• Lens Hood
• Tripod Collar
• Soft Case
• 1-Year Worldwide Warranty + 3-Year Extended USA Warranty
