For Canon and Nikon shooters looking to get a fast ultrawide,the choices in the past beget been the Nikon 14-24mm f/2.8, Canon 16-35mm f/2.8, or Tamron 15-30mm f/2.8 VC. Or,depart with an f/4 lens and get the Canon 11-24mm or Sigma 12-24mm. Sigma has now joined the mix with its own 14-24mm f/2.8, […]
Source: google.com