Canon EOS Rebel T6i EF-S 18-55mm IS STM Lens Kit Instruction Manual - Page 157

q Changing the Metering ModeK Four methods (metering modes) to measure the subject's brightness are provided. Normally, evaluative metering is recommended. In Basic Zone modes, metering mode is set automatically. 1 Select [Metering mode].  Under the [z2] tab, select [Metering mode], then press . 2 Set the metering mode.  Select the desired metering mode, then press . q Evaluative metering General-purpose metering mode suited even for backlit subjects. The camera sets the exposure automatically to suit the scene. w Partial metering Effective where there are much brighter lights around the subject due to backlight, etc. The gray area in the left figure is where the brightness is metered to obtain the standard exposure. r Spot metering Effective when metering a specific part of the subject or scene. The gray area in the left figure is where the brightness is metered to obtain the standard exposure. This metering mode is for advanced users. 157