User's Manual

Table Of Contents
Adjusting the Focus
49
General Notes regarding Focus Functions
NOTES
If you operate the zoom after focusing, the focus on the subject may be lost.
When adjusting the focus, be careful not to touch the front of the lens or moving parts on the lens
except for the focus ring.
About the autofocus (AF) functions:
- Autofocus may not work well when high gain levels are set.
- Autofocus may not work well when [Custom Picture] > [Fine Tuning] > [Gamma] is set to
[Wide DR] or [Canon Log].
- The point where the camera focuses may change slightly depending on shooting conditions,
such as subject, brightness and zoom position. Check the focus before resuming shooting.
Autofocus may take longer in the following cases.
- When the frame rate is set to 29.97P, 25.00P, 25.00PsF or 23.98P.
- With some EF lenses, the camera may take longer to focus automatically or may not be able to
focus correctly. Visit your local Canon website for the latest information.
Autofocus may not work well on the following subjects or in the following cases. In such case, focus
manually.
- Reflective surfaces
- Subjects with low contrast or without vertical lines
- Fast moving subjects
- Through dirty or wet windows
- Low-light scenes
- i Subjects with a repetitive pattern