Canon EF 200-400mm f/4L IS USM Extender 1.4X User Manual - Page 26

19. Camera/Extender Compatibility Chart Internal Extender 1x (Maximum aperture: f/4) Extender Model 1.4x II 2x II 1.4x III 2x III Actual Aperture f/5.6 f/8 f/5.6 f/8 Function AF IS AF IS AF IS AF IS EOS-1D X, EOS 5D Mark III, EOS-1D Mark IV, EOS-1Ds Mark III, EOS-1D Mark III MF* MF* EOS Digital Cameras (cameras listed on the following page*1) AF* AF AF k k EOS Digital Cameras (not applicable to 1D X, 5D Mark III, 1D Mark IV, 1Ds Mark III, k 1D Mark III, or cameras listed under*1 on the following page) AF* k MF SLR Film Camera (EOS-1V) SLR Film Cameras (not applicable to EOS-1V or cameras listed under*2 on the following page) SLR Film Cameras (cameras listed on the following page*2) MF ** Cannot be used 1.4x (Maximum aperture: f/5.6) 1.4x II 2x II 1.4x III 2x III f/8 f/11 f/8 f/11 AF IS AF IS AF IS AF IS MF* MF* AF* AF k MF k k k MF MF MF Cannot be used ** ** AF Autofocusing (AF) is possible when shooting Autofocusing is possible when shooting. However, the AF function might not focus correctly. Please fine tune the AF when using a camera equipped with an AF micro adjustment function. AF* Please use manual focus when the AF function is not performing correctly while shooting with a camera which is not equipped with an AF micro adjustment function. • For information on AF operation and micro adjustments, please refer to the camera's instruction manual. MF AF cannot be used. Therefore, please use manual focus (MF). AF cannot be used. Therefore, please use manual focus (MF). MF* However, AF can be used by updating your camera's firmware. Please check the Canon website for information about firmware updates. k The Image Stabilizer function can be used. ** The Image Stabilizer function cannot be used with the cameras*2 listed on the following page. ●● EF1.4x III and EF2x III extenders are recommended for use with EOS Digital Cameras. ENG-25