Sigma 17-40mm f/1.8 youtube reviews roundup SonyAlpha Admin 14 hours ago Sigma lens preorders: 17-40mm f/1.8 at BHphoto, Amazon, Adorama, Fotoerhardt, WexUK.
![Die Legende ist zurück! | Sigma 17-40mm F1.8 DC Art im Test [Deutsch]](https://i.ytimg.com/vi/jrzhiFT9904/hqdefault.jpg)
