290UUse this option to fine-tune the exposurevalue selected by the camera. Exposure canbe fine-tuned separately for each meteringmethod by from +1 to –1 EV in steps of 1 / 6 EV.If On is selected, exposure will lock when theshutter-release button is pressed halfway.b6: Fine-Tune Optimal Exposure G button ➜ A Custom Settings menuD Fine-Tuning ExposureExposure can be fine-tuned separately for each Custom Settings bankand is not affected by two-button resets. Note that as the exposurecompensation (E) icon is not displayed, the only way to determine howmuch exposure has been altered is to view the amount in the fine-tuning menu. Exposure compensation (0 130) is preferred in mostsituations.c: Timers/AE Lockc1: Shutter-Release Button AE-L G button ➜ A Custom Settings menu