q Selecting the Metering ModeN166w Partial meteringEffective when the background is much brighterthan the subject due to backlighting, etc. Themetering is weighted at the center covering approx.7.7% of the viewfinder area.r Spot meteringThis is for metering a specific spot of the subject orscene. The metering is weighted at the centercovering approx. 3.0% of the viewfinder area.e Center-weighted average meteringThe metering is weighted at the center and thenaveraged for the entire scene.With q (Evaluative metering), the exposure setting will be locked whenyou press the shutter button halfway and focus is achieved. In the w(Partial metering), r (Spot metering), and e (Center-weightedaverage metering) modes, the exposure is set when the photo is taken.(Pressing the shutter button halfway does not lock the exposure.)When <r> is set, <z> can be displayed in the viewfinder (p.376).