Mark K.
Well-known member
That actually doesn't matter anyway since the Zeiss 15mm is wider.
The Zeiss is 15mm in 35mm (Full frame). The Tokina/Duclos is 11mm in S35 (1.6 Crop factor).
AFAIK if my math is correct, the 11-16 translates to about 17-25 in Full Frame, whereas the Zeiss is 15mm.
There's a common misconception where people think the 11-16 is the widest lens out there, and thats certainly not the case, especially not for full frame.
The Tokina will cover full-frame from 15mm onwards, so it's comparable in coverage and max aperture.