Featuring compact design, Light weight and outstanding image quality offered in sigma’s contemporary line N addition, this lens is characterized by smooth and quiet autofocus ideal for video shooting. Compatible with the Sony E mount fast Hybrid AF, it also achieves precise AF tracking. By using the face recognition or eye AF functions of the camera, focus Will continuously be on the face or the eye even if the subject Moves during the shoot. Max Focal Length: 19.7 Mm. Angle of View (DC) 28.5º Lens Type: Full Frame