Large aperture optically stabilised telephoto lens with life-size macro capability.
The world’s first 180mm 1:1 macro lens with a fast, f/2.8 maximum aperture. This lens includes three FLD glass elements that have a performance equal to fluorite and ensure exceptional correction of axial chromatic aberration and lateral chromatic aberration. A floating inner focusing system moves two different lens groups in the optical path to different positions. This system compensates for astigmatism and distortion and provides extremely high optical performance from infinity to 1:1 macro. The overall length does not change during focusing, ensuring convenient handling. Metal parts are used in the lens barrel ensuring high durability of the body.
This lens features three FLD (“F” Low Dispersion) glass elements, which have the performance equal to fluorite glass. FLD glass is the highest level low dispersion glass available with extremely high light transmission. This optical glass has a performance equal to fluorite glass which has a low refractive index and low dispersion compared to current optical glass. It also benefits from high anomalous dispersion. These characteristics give excellent correction for residual chromatic aberration (secondary spectrum) which cannot be corrected by ordinary optical glass and ensures high definition and high contrast images.
Super Multi Layer Coating
The optics are coated with Sigma’s Super Multi-Layer Coating which reduces flare and ghosting and ensures high contrast images. High image quality is assured throughout the entire focusing range.
This is the first 180mm optically stabilised telephoto macro lens in the world and offers effective correction of approximately 4 stops. The system compensates for camera shake even in the macro range photography where only a small amount of blur can be easily identified.
* The OS effectiveness will gradually decrease as the shooting distance becomes shorter. .
F2.8 large aperture tele-macro lens
Tele macro lenses have a greater working distance. It is possible to enjoy Macro photography, even when you are far from the subject. This enables you to capture the small animals and insects without disturbing them. The very narrow depth-of-field allows selective focusing and less distracting backgrounds. Large aperture of F2.8 also makes this lens ideal for sports, action and indoor photography.
Hyper Sonic Motor (HSM) with full time manual focus override
The HSM (Hyper Sonic Motor) ensures quiet and high speed autofocus as well as full-time manual focus capability.
Rounded 9 blade aperture ring
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.
APO Tele-Converter EX (optional)
It is also possible to use this lens with Sigma 1.4x EX and 2x EX APO Tele-Converter. When this lens is used with the 1.4x EX or 2x EX Apo Tele Converters (optional), it becomes a 210mm F4 AF tele-macro lens or a 300mm F5.6 MF tele-macro lens respectively.
19 Elements in 14 Groups
Angle of View
Number of Diaphragm Blades
Minimum Focusing Distance
Diameter 95mm X Length 203.9mm
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