Canon SD750 PowerShot SD750 / DIGITAL IXUS 75 Camera User Guide Advanced - Page 50
Shooting Hard-to-Focus Subjects, Focus Lock, AF Lock
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Shooting Hard-to-Focus Subjects (Focus Lock, AF Lock) It may be difficult to focus on the following types of subjects. zSubjects with extremely low contrast to the surroundings zScenes with a mixture of near and far subjects. zSubjects with extremely bright objects at the center of the composition zSubjects that are moving quickly zSubjects through glass: Try to shoot as close to the glass as possible to reduce the chances of light reflecting back off the glass. Shooting with the Focus Lock The focus lock can be used in any shooting mode. 1 Aim the camera so that an object at the same focal distance as the main subject is centered in the AF frame. 2 Press the shutter button halfway to set the focus. 3 Keep the button pressed, re-aim the camera to compose the shot as desired and press the shutter button fully. Shooting with the AF Lock The AF lock can be used in the , , , , or mode. 1 Aim the camera so that an object at the same focal distance as the main subject is centered in the AF frame. 2 Press the shutter button halfway and press the / button. zThe icon will display. 3 Re-aim the camera to compose the shot as desired and shoot. 48