When the AE lock mode, you can precisely meter a subject detail that is not located in the center of the viewfinder, and cope with high-contrast subjects and backlit situations when used in combination with exposure compensation.

• 利用自动曝光锁定模式您可以精确测定位于取景器中心之外的景物细节,而且与曝光补偿相结合时。您选可以对付高对比景物和黑暗环境下拍摄的困难。