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