Lente sigma 24-70
Jul 04, 2017 The Sigma 2470mm F2. 8 DG OS HSM Art features a rounded 9 blade diaphragm which creates an attractive blur to the out of focus areas of the image. It also offers builtin optical image stabilisation, an Hyper Sonic Motor for fast and quiet autofocusing, and has a minimum focusing distance of 37cm 15. 0in and a maximum reproduction ratio of 1: 4. 8.Though a common focal length, the Sigma 2470mm Art brings a new level of usability and durability featuring a rugged metal barrel and an emphasis on image quality. Building off the experience from the 1224mm Art, the aspherical elements used in the 2470mm F2. 8 OS Art undergo a highly precise level of polishing, producing elements thicker in the center than on the edges. lente sigma 24-70
The Sigma 2470 Art comes equipped with the same Hypersonic AF technology that came with the 85 Art which was implemented due to the resounding AF issues plaguing the starting Art lenses. It actually saddens me to report that the AF could not hold up in some tough lighting scenarios, even with the assistance of my Canon 600EXRT.
The Sigma 2470 produces severe flare at the longer end of the focal length range if the sun (or a bright light) is close to the image circle. This is the reason that the Canon EF 2470mm f2. 8 L USM Lens hood is so large (and does not extend with the lens). May 31, 2016 Los objetivos que ms utilizo 2470 y 35mm Duration: 8: 41. Joan Vendrell 111, 891 views lente sigma 24-70 Sep 03, 2018 A comparison and review of the Sigma 2470 f2. 8 OS ART and the Canon 2470 f2. 8L II, which does not have image stabilization. In which I look at the sharpness and resolution, the autofocusRating: 4.99 / Views: 640