I would 2nd this. The 16-35/4L IS is the best there is for Canon EF.
Honestly I would stay away from third-party vendors unless we are talking about Sigma or Zeiss.
The Sigma 20mm f/1.4 ART may be worth a thought (soon to be seen in the local theater).
Honestly I would stay away from third-party vendors unless we are talking about Sigma or Zeiss.
The Sigma 20mm f/1.4 ART may be worth a thought (soon to be seen in the local theater).