Auto focus stopped working (1 Viewer)

foxydave

Well-known member

• Dec 29, 2014

• #1

Hi my canon 600mm usm lense the auto focus has stopped working .its a few years old but till a great lense any ideas please .dave

 

David Whitaker

David Whitaker

• Dec 29, 2014

• #2

I take it that you have given the gold plated terminals on the end of the lens a quick wipe. Dirt or grease on them is usually the problem when a a lens stops communicating with the camera body.

 

foxydave

Well-known member

• Dec 29, 2014

• #3

Hi dave it seems to be the extender works ok without always work up to now will try giving it a good clean thanks for your help

 

GYRob

Well-known member

• Dec 29, 2014

• #4

foxydave said:

Hi dave it seems to be the extender works ok without always work up to now will try giving it a good clean thanks for your help

Click to expand...

you may find the tc needs to go on the lens first Then the camera .

Rob.