Using Manual Focus (MF) on the EF 400mm f/2.8L IS III USM lens
Article ID: ART174547
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Date published: 05/30/2019
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Date last updated: 05/30/2019
Description
Using Manual Focus (MF) on the EF 400mm f/2.8L IS III USM lens
Solution
Manual Focus (MF)
When shooting images using manual focus (MF), you can select the manual focus speed.
Use the manual focus speed switch to select a manual focus speed.
Speed is fastest at 1, with 2 and 3 being progressively slower.
