Canon EOS 30D EOS 30D Instruction Manual - Page 81

q Selecting the Metering ModeN Four metering modes are provided: Evaluative, partial, spot, and center-weighted average metering. In the Basic Zone modes, evaluative metering will be set automatically. 1 Press the button. (9) 2 Select the metering mode. While looking at the LCD panel, turn the dial. q: Evaluative metering w: Partial metering r: Spot metering e: Center-weighted average metering q Evaluative metering This is the camera's standard metering mode suited for most subjects even under backlit conditions. After detecting the main subject's position, brightness, background, front and back lighting, etc., the camera sets the proper exposure. w Partial metering Effective when the background is much brighter than the subject due to backlighting, etc. Partial metering covers about 9% of the viewfinder area at the center. The area covered by partial metering is shown on the left. r Spot metering This is for metering a specific part of the subject or scene. The metering is weighted at the center covering about 3.5% of the viewfinder area. The area covered by spot metering is shown on the left. e Center-weighted average metering The metering is weighted at the center and then averaged for the entire scene. 81