Nikon D5 100th Anniversary Edition User Manual - Page 126

A See Also For information on using focus priority in continuous-servo AF, see Custom Setting a1 (AF-C priority selection, 0 327). For information on using release priority in single-servo AF, see Custom Setting a2 (AF-S priority selection, 0 328). For information on preventing the camera from focusing when the shutter-release button is pressed halfway, see Custom Setting a8 (AF activation, 0 331). See Custom Setting a10 (Autofocus mode restrictions, 0 332) for information on limiting focus-mode selection to AF-S or AF-C and f4 (Customize command dials) > Change main/sub (0 359) for information on using the subcommand dial to choose the focus mode. See page 48 for information on the autofocus options available in live view or during movie recording. A The AF-ON Buttons For the purpose of focusing the camera, pressing either of the AF-ON buttons has the same effect as pressing the shutter-release button halfway (note that the AF-ON button for vertical shooting can only be used when the vertical shooting shutter-release button lock is N unlocked; 0 39). AF-ON button Vertical shooting shutterrelease button lock AF-ON button for vertical shooting 102