09-09-2016, 01:32 PM
With Tokina you can kinda rely on at least the crop factor (with Sigma UWA zooms that is not always the case).
So that will mean on FF 135 format: 14 x 1.5 = 21mm..... So lets say you will have a 20mm f2 prime, more or less. On APS-H, 1t least down to 16mm.
So that will mean on FF 135 format: 14 x 1.5 = 21mm..... So lets say you will have a 20mm f2 prime, more or less. On APS-H, 1t least down to 16mm.