Nikon D800E User Manual - Page 70

4 Focus. Press the shutter-release button halfway or press the B button to focus. B button The focus point will blink green while the A AE-L/AF-L button camera focuses. If the camera is able to focus, the focus point will be displayed in green; if the camera is unable to focus, the focus point will blink red (note that pictures can be taken even when the x focus point blinks red; check focus in the monitor before shooting). Exposure can be locked by pressing the A AE-L/AF-L button (0 128); focus locks while the shutter- release button is pressed halfway. A Exposure Preview During live view photography, you can press J to preview the effects of shutter speed, aperture, and ISO sensitivity on exposure. Exposure can be adjusted by ±5 EV (0 130), although only values between -3 and +3 EV are reflected in the preview display. Note that the preview may not accurately reflect the final results when flash lighting is used, Active D-Lighting (0 174), High Dynamic Range (HDR; 0 176), or bracketing is in effect, A (auto) is selected for the Picture Control Contrast parameter (0 166), or p is selected for shutter speed. If the subject is very bright or very dark, the exposure indicators will flash to warn that the preview may not accurately reflect exposure. Exposure preview is not available when A is selected for shutter speed. 46