The F1.8 Art features an 80mm front lens, and is equipped with a “superfast” autofocus system, three FLD (“F” Low Dispersion) elements, and four SLD (Special Low Dispersion) elements to reduce chromatic aberration and coma flare. The F2.8 Art lens features a new Optical Stabilizer (OS), Hypersonic Motor (HSM) for fast auto focus, and a dust and splash-proof mount with rubber sealing.
Sigma Art Lenses
Sigma announces its 14mm F1.8 DG HSM and 24-70mm F2.8 DG OS HSM Art Lenses.