Nikon Z 50 Reference Manual - Page 316

The following options are available: Option Description K Select center focus point Pressing the control selects the center focus point. A AF-ON Pressing the control initiates autofocus. F AF lock only Focus locks while the control is pressed. Exposure locks when the control is pressed, and E AE lock (Hold) remains locked until the control is pressed a second time or the standby timer expires. Exposure locks when the control is pressed, and D AE lock (Reset remains locked until the control is pressed a on release) second time, the shutter is released, or the standby timer expires. C AE lock only Exposure locks while the control is pressed. B AE/AF lock Focus and exposure lock while the control is pressed. r FV lock Press the control to lock flash value for the built-in flash or optional flash units. Press again to cancel FV lock. h Flash off If the flash is currently enabled, it will be disabled while the control is pressed. q Preview Keep the control pressed to preview color, exposure, and depth of field. If the control is pressed while exposure or ADL bracketing is active in single frame release mode, 1 Bracketing burst all shots in the current bracketing program will be taken each time the shutter-release button is pressed. If white balance bracketing is active or a continuous release mode is selected, the camera will repeat the bracketing burst while the shutter- release button is held down. 288 Menu Guide > A Custom Settings