Canon PowerShot A5 User Guide - Page 85

7 Press the button. z You can immediately shoot the image using the selected AF frame by pressing the shutter button instead of pressing button. z The AF frame will move back to its original position (Center), if you hold down the button. z Turn the LCD monitor on to set the AF frame to the position you desire before shooting. z The AF frame is locked to center when using the digital zoom. z When the Spot AE Point is selected as the light metering mode, you can use the selected AF frame as the Spot AE Point (on the right). z For an explanation of the AF frame colors, please refer to p. 26. z When the shooting mode dial is set to TV, Av or M, pressing the SET button will change the item that can be set as described below. Shutter speed / AF frame Aperture value / AF frame Shutter speed / Aperture value / AF frame Shooting - Advanced Functions Switching between Light Metering Modes Mode Dial Appropriate for standard shooting conditions, including backlit scenes. The camera divides images into several Evaluative Light Metering zones for light metering. It evaluates the complex lighting conditions, such as the position of the subject, the brightness, the direct light, and the backlighting, and adjusts the settings to the correct exposure for the main subject. Centerweighted Averaging Averages the light metered from the entire frame, but gives greater weight to the subject matter at the center. Spot AE Meters the area within the spot Point AE point frame. Locks the spot metering frame Center to the center of the LCD monitor. AF Moves the spot AE point to the Point AF frame. 83 Advanced Functions