Tokina AT-X 17-35 F4 PRO FX LensPosted by Digital Photography Live Date August 21, 2012 Product Summary Model name: Tokina AT-X 17-35 F4 PRO FX Focus Type: Autofocus / Manual Format : Full Frame / APS-C / Crop Sensor Purchase options: Amazon | Adorama | B&H Overview The Tokina...