Sigma introduces an ultra-wide-angle zoom lens that is perfect for the era of ultra-high resolution digital cameras. The SIGMA 12-24mm F4 DG HSM | Art offers an optimal package of centre-to-edge image quality, minimised distortion, and a short minimum focusing distance. To achieve these qualities without compromise, SIGMA has leveraged its lens design expertise and all of its leading-edge technologies. Advanced materials such as low-dispersion glass play a crucial role, while SIGMA’s advanced lens processing methods have made possible an aspherical lens of extremely large diameter.
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20 September 2016
Sigma are clearly very keen to let everyone know about their new lenses as they released the news unexpectedly last night (rather than this morning as planned)! So three new lenses are being shown at Photokina today - the 500mm F4 DG OS HSM Sports, the 85mm F1.4 DG HSM Art and finally the 12-24mm F4 DG HSM Art.Read full article
NB: If extremely precise autofocus is required, the Sigma calibration dock will fine-tune the relationship between the specific camera and the specific Sigma lens you are using. For ultra precision, you may also want to hire the Datacolor SpyderLENSCAL calibration chart.