Nikon D7000 D7000 User's Manual - Page 233

b4: Center-Weighted Area G button ➜ A Custom Settings menu When calculating exposure, center-weighted metering assigns the Option greatest weight to a circle in the center of the frame. The diameter (φ ) M φ 6 mm of this circle can be set to 6, 8, 10, or 13 mm or to the average of the L φ 8 mm entire frame. N φ 10 mm Note that the diameter is fixed at 8 mm when a non-CPU lens is used. O P φ 13 mm Average b5: Fine Tune Optimal Exposure G button ➜ A Custom Settings menu Use this option to fine-tune the exposure value selected by the camera. Exposure can be fine tuned separately for each metering method by from +1 to -1 EV in steps of 1/6 EV. D Fine-Tuning Exposure Exposure fine tuning is not affected by two-button resets. Note that as the exposure compensation (E) icon is not displayed, the only way to determine how much exposure has been altered is to view the amount in the fine-tuning menu. Exposure compensation (0 107) is preferred in most situations. c: Timers/AE Lock c1: Shutter-Release Button AE-L G button ➜ A Custom Settings menu At the default setting of Off, exposure only locks when the AE-L/ AF-L button is pressed. If On is selected, exposure will also lock when the shutter-release button is pressed halfway. U 213