O'Reilly logo

David Busch’s Canon® EOS M Guide to Digital Photography by Lee Sheldon

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Focus Options

There are four key parameters you need to set to achieve sharp focus. Here’s a quick summary; I’ll explain all of these in more detail later in this section.

Image Focus mode. Whether your camera operates in autofocus, manual focus, or autofocus/manual fine-tuning modes. (AF, MF, AF+MF)

Image Autofocus Operation. Whether the camera locks in focus when you press the shutter release halfway, or continues to refocus as the subject moves. (One-shot, Servo)

AF (Autofocus) method. Determines whether the EOS M should hunt for and track human faces, ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required