Nikon Z 50 Reference Manual - Page 80

Option Description For stationary subjects. Press the shutter-release button halfway to focus. If the camera is able to focus, AF-S Single AF the focus point will turn from red to green; focus will lock while the shutter-release button is pressed halfway. If the camera fails to focus, the focus point will flash red and the shutter release will be disabled. For moving subjects. The camera focuses continuously while the shutter-release button is pressed halfway; if the subject moves, the camera will AF-C Continuous AF predict the final distance to the subject and adjust focus as necessary. At default settings, the shutter can only be released if the subject is in focus (focus priority), but this can be changed to allow the shutter to be released at any time (release priority) using Custom Setting a1 (AF-C priority selection). The camera adjusts focus continuously in response to AF-F Full-time AF subject movement or changes in composition. When the shutter-release button is pressed halfway, the focus point will turn from red to green and focus will lock. This option is only available in movie mode. MF Manual Focus manually (0 65). The shutter can be released focus whether or not the subject is in focus. 52 Basic Settings