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100-400 Mk2 Manual focus ring sticky when using override

Started Jul 12, 2018 | Discussions thread
Ray Chen Veteran Member • Posts: 9,652
Re: 100-400 Mk2 Manual focus ring sticky when using override
1

cdmazoff wrote:

Hi.. I am really enjoying my 100-400 mk2. I've just noticed that when I have the switch on the lens set to AF and I use the manual focus ring override (with shutter half pressed) that the motion is "scratchy." If I set the switch to MF then the manual focus operation is as smooth as butter.

You should be using one shot AF mode and manually override the focus after AF lock (or failed to lock.)  Alternatively, separate AF from your shutter button with custom function setting, and AI Servo mode won't be fighting with you.  Don't ever use AI Focus mode, as it is a flawed design.

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Ray

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Canon EF 40mm f/2.8 STM
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