Using Focus Preset on the EF 400mm f/2.8L IS III USM lens

Article ID: ART174543 | Date published: 05/29/2019 | Date last updated: 05/29/2019
 

Description

Using Focus Preset on the EF 400mm f/2.8L IS III USM lens

Solution

Focus Preset

By using focus preset, you can turn the playback ring to focus the lens at any preset focusing distance.
To use focus preset, set the focus preset switch to ON or .
If set to , the lens beeps when being preset and when moving.
Operation differs to set one preset or two presets.

One Preset
Set one focusing distance.
 
<Preset the Focusing Distance>
Focus the lens at a focusing distance you want to preset.
Press the focus preset button to preset the distance in memory.
<Shoot at the Preset Focusing Distance>
  Turn the playback ring left or right to move the focus to the preset distance.
Press the shutter button while the playback ring is turned to shoot at that distance.
     
Beep Sounds (Beeper)  
  One beep: When presetting a focusing distance.  
  Two beeps: When the focus moves to the preset focusing distance.  

Two Presets
Hold down the focus preset button to preset two focusing distances.
 
<Preset the Focusing Distance>
Focus the lens at a focusing distance you want to preset.
Hold down the focus preset button (at least 1 second), and then immediately turn the playback ring left or right to preset the distance in memory for that direction.
Use the same steps to preset another distance.
<Shoot at the Preset Focusing Distances>
  Turn the playback ring left or right to move the focus to each of the preset distances.
Press the shutter button while the playback ring is turned to shoot at that distance.
     
Beep Sounds (Beeper)  
  Two beeps (slow): When button held down  
  One beep: When presetting a focusing distance.  
  Two beeps: When the focus moves to the preset focusing distance.  
  • When setting two presets, pressing the focus preset button but then not turning the playback ring causes the lens to beep three times and cancel presetting. Set presets from the start again.
  • The camera may turn off while setting two presets. Press the shutter button halfway, anfd then set presets from the start again.
  • When not using focus preset, set the focus preset switch to OFF.
  • With the following camera models, focus presets cannot be used with Live View shooting or movie shooting.
    EOS 60Da, EOS REBEL T5/1200D, EOS REBEL T6/1300D, EOS REBEL T7/2000D/1500D, EOS REBEL T100/4000D/3000D
    As well as all EOS cameras released in 2011 and earlier.
 
  • Focus presets can be used in all focus modes. Focus speed is slow only during movie shooting when the focus mode is PF, and is fast for all other settings. In slow speed, you can make a 2-step change in focus speed depending on how much the playback ring is turned.
  • All focus presets are initially at the lens' mechanical limit in the infinity direction (not at infinity)when the lens is mounted on a camera.
  • Preset focusing distances remain in memory until the lens is detached from the camera.

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