![sigma-vw.jpg sigma-vw.jpg](https://www.churchproduction.com/downloads/11075/download/sigma-vw.jpg?cb=a10439ad0d4b25630c09a98155605b61&w={width}&h={height})
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.