Deal: Tokina 12-28mm f/4 AT-X Pro Lens for $249 March 20, 2018 By Eric Reagan B&H has the Tokina 12-28mm f/4 AT-X Pro lens for Canon EF-S mount for $249.95 (reg. $449.95) in limited quantity. Check it out while it lastsĀ here at B&H Photo.