Sharpness improved considerably compared to Version I due to new antireflective coating. Light falloff to f/4.5 was a minor disappointment.
Standout Spec: SQF performance leapt to 93.4% from 74.1% (at f/1.4) compared with the first version of this lens.
Lens Test: Canon EF 24mm f/1.4L II USM AF
Pentax 12–24mm f/4 Pentax DA*ED
Nikon AF-S DX Zoom-Nikkor 10–24mm f/3.5–4.5G ED
SIGMA 24–70mm f/2.8 EX DG HSM
Sigma 12–24mm f/4.5–5.6 EX DG HSM
Tamron SP 10-24mm f/3.5-4.5 DI II LD