Tokina - opera 16-28mm F2.8 FF,Amazon.com : Tokina AF 16-28mm f/2.8 at-X PRO FX Lens for Canon : Digital Slr Camera Lenses : Electronics,Amazon.com : Tokina Opera 16-28mm F2.8 for Nikon F Mount Black : Electronics,Tokina Opera 16-28mm F2.8 for Canon EF Mount, TOK300016,New (to me) Tokina Opera 16-28mm f/2.8 and a couple of test shots from tonight. Can't wait until Milky Way season again. So much better than the Samyang 14 I used to,