Nikon D500 Users Manual - English for customers in the Americas - Page 70

4 Focus. Press the shutter-release button halfway to focus. The focus point will flash green and the shutter release will be disabled while the 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 flash red (note that pictures can be taken even when the focus point flashes red; check focus in the monitor before shooting). Exposure can be locked by pressing the center of the sub-selector (0 141); focus locks while the shutterrelease button is pressed halfway. D Using Autofocus in Live View Use an AF-S or AF-P lens. The desired results may not be achieved with other lenses or teleconverters. Note that in live view, autofocus is slower and the monitor may brighten or darken while the camera focuses. The focus point may sometimes be displayed in green when the camera is unable to focus. The camera may be unable to focus in the following situations: • The subject contains lines parallel to the long edge of the frame • The subject lacks contrast • The subject in the focus point contains areas of sharply contrasting brightness, or includes spot lighting or a neon sign or other light source that changes in brightness • Flicker or banding appears under fluorescent, mercury-vapor, sodium-vapor, or similar lighting • A cross (star) filter or other special filter is used • The subject appears smaller than the focus point • The subject is dominated by regular geometric patterns (e.g., blinds or a row of windows in a skyscraper) • The subject is moving 44