Obiettivo Sigma APO Macro 180mm F2.8 EX DG OS HSM x Canon Lens
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is the world's first 180mm macro lens incorporating a magnification
ratio of 1:1 and a large maximum aperture of F2.8. It benefits from
Sigma's original Optical Stabilizer function and the wide F2.8 aperture
allows faster shutter speeds for narrow depth of field, enabling
photographers to emphasize the subject. Three FLD ("F" Low Dispersion)
glass elements provide excellent correction for color aberrations. This
lens incorporates Sigma's floating inner focusing system. This minimizes
aberrations which occur as shooting distances change, and enables
stable rendering of the image from infinity to 1:1 magnification. The
Super Multi-Layer Coating reduces flare and ghosting and provides sharp
and high contrast images even at the maximum aperture. Equipped with
Sigma's own propriety OS (Optical Stabilizer) system, this lens offers
the use of shutter speeds approximately 4 stops slower than would
otherwise be possible*, enabling handheld close-up photography. The
incorporation of 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 an attractive blur to the out of
focus areas of the image. At 1:1 magnification, this lens has a focusing
distance of 47cm/18.5in, which is a greater working distance than
shorter focal length macro lenses. This is advantageous when taking
pictures of highly sensitive subjects such as butterflies and insects.
Attaching Sigma’s optional Tele Converter's allows photographers' to
shoot with an even greater working distance or with a magnification
ratio larger than 1:1.
|Lens Construction||19 Elements in 14 Groups|
|Angle of View||13.7|
|Number of Diaphragm Blades||9|
|Minimum Focusing Distance||47 cm / 18.5 in|
|Filter Size (mm)||86|
(Diameter x Length)
|95 x 203.9 mm/3.7 x 8.0 in|
- Optical Stabilizer Function
HSM - Hyper-Sonic Motor
EX - EX Lens
DG - DG for Digital
*The appearance and specification are subject to change without notice.