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EF 17-40 f/4L USM: How to adjust the zoom on the lens

Article ID: ART151955 | Date published: 05/22/2015 | Date last updated: 02/01/2016
 

Description

EF 17-40 f/4L USM: How to adjust the zoom on the lens

Solution

Zooming the lens

Turn the zoom ring to zoom in or out on subject.

  • Be sure to finish zooming before focusing.
  • Changing the zoom ring after focusing can affect the focus

SIMS Doc Id

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