Tokina 11-20mm f/2.8 AT-X Pro lens reviewExcellent for Cine / Video use The new Tokina AT-X 11-20 PRO DX is a ultra-wide-angle zoom lens of DX (APS-C) the size, and has a maximum F-stop value of 2.8. In in Cine/Video use it demonstrates it’s preeminent power. 토키나 11-20 스펙 Focus distance: 11 - 20 mm Brightness: F2.8 Format: APS-C Minimum aperture: F22 Lens configuration: 14 elements in 12 group C..