Tamron AF 100-400mm F4.5-6.3 Di VC USD – Canon Home › Forums › Photography Q&A › Tamron AF 100-400mm F4.5-6.3 Di VC USD – Canon This topic has 5 replies, 4 voices, and was last updated 3 years, 8 months ago by James Staddon. You must be logged in to reply to this topic. Would you like to participate? Create an Account!