Need some advice please. Will a Canon EF Mark III work with a Tamron 150-600 mm, f/5-6.3 Di VC USD G2, including auto focus or manual focus??
Hi, Can any one tell why when I connect an Ef 2X III to my EF 100-400mm f/4.5-5.6 L IS USM and have the camera in Manual mode that the auto...
Separate names with a comma.