Canon A50 manual Focus Lock, Situations Not Suited to Autofocus Photography

Buttons

when these signals are on. Doing so could corrupt the image data.

Focus Lock

Pressing the shutter button halfway locks the focus until the button is released. This allows you to focus on a particular object while freely changing the image composition. A moment after depressing the shutter button halfway, two beeps will sound and a green or red indicator will light, indicating a focus lock. You are now free to reorient the camera knowing that your target subject is in focus.

•If you release the shutter button only to the halfway point after taking a picture, you can take a second picture at the same focal setting simply by pressing the shutter button all the way down again.

Situations Not Suited to

Autofocus Photography

Some subjects are not suited to autofocus photography. For these subjects, aim the camera at another object at the same distance, press and hold the shutter button halfway to lock the focus, and re-aim the camera at the subject.

The following subjects are generally difficult to shoot with autofocus.

•extremely low-contrast objects

•compositions that mix close and far objects in the center of the viewfinder

•extremely bright objects in the center of the viewfinder

•moving objects such as automobiles

For objects behind glass, position the camera as close as possible to the glass to reduce unintended reflection.

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