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Manual/Auto Focus Operation on the COMPACT-SERVO lenses

Manual/ Auto Focus Operation on the COMPACT-SERVO lenses

Using the internal extender on the EF 200-400mm f/4L IS USM Extender 1.4x

Internal Extender Switch When the lens or camera is in operation (during Auto Focus , Image Stabilization*, exposure, continuous shooting, use of the focus preset, power focus operation, etc.). ... Not doing so may result in an error message being displayed (ERR01) and prevent shooting operation. Turn the camera OFF and then ON to clear the error message . ... Not positioning the lever correctly will create shadown in images and cause AF , AE, and other functions to not work properly.

Setting the Image Stabilizer on the lens

You can use the image stabilizer in AF or MF mode ... If the STABILIZER switch is set to ON, the image stabilizer function may introduce errors . ... If you set the camera's Custom Function to change the assigned button to operate the AF , the Image Stabilizer will operate when you press the newly assigned AF button.

How to set the image stabilizer on the EF300mm f/2.8L IS II USM

You can use the image stabilizer in AF , PF, or MF mode. ... If the STABILIZER switch is set to ON, the image stabilizer function may introduce errors . ... If you set the camera's Custom Function to change the assigned button to operate the AF , the Image Stabilizer will operate when you press the newly assigned AF button.

AF Stop Buttons

Lenses that support changes in the AF speed on the EOS C500 Mark II

The AF speed (10 steps) and AF response (7 steps) can be changed. Also, AF speed can be selected to be applied constantly or only when recording. The lenses below will allow the AF speed to be altered from within the camera's menu.

Using the AF Stop Button on the EF 400mm f/4 DO IS USM lens

Using the AF Stop Button on the EF 500mm f/4L IS II USM lens

Using the AF Stop Button on the EF 600mm f/4L IS II USM lens