Nikon 500mm F4G User Manual - Page 28

5. To limit the range of autofocus (See page 24 for usable cameras.) • With AF operation, if the subject is more than 8 m (26.2 ft) (AF-S 500mm)/10 m (32.8 ft) (AF-S 600mm) away, set the En focusing limit switch (Fig. 2) to ∞-8 m (AF-S 500mm)/∞-10 m (AF-S 600mm) to reduce focusing time. • If the subject is sometimes 8 m (26.2 ft)/10 m (32.8 ft) or closer, set it to "FULL." • This function is only compatible with autofocus. Fig. 2 6. AF-L/MEMORY RECALL/AF-ON ˾ Focus operation selection switch (AF-L/MEMORY RECALL/ AF-ON) and Focus operation button • Depending on the position of the Focus operation selection switch (Fig. 3), the function of the Focus operation button (Fig. 4) varies. Position of Focus operation selection switch AF-L MEMORY RECALL AF-ON Function of Focus operation button Focus lock Memory recall AF start (AF-ON) on the lens Fig. 3 • The position of the Focus operation buttons can be changed to suit your preference. For more details on this change, contact your nearest Nikon service center or representative office. • Press one of four Focus operation buttons to activate each function. Fig. 4 ˾ Using the Focus lock button (See page 24 for usable cameras.) 1 Set the Focus mode switch to "A/M" or "M/A". (Fig. 1) • This function is only compatible with autofocus. 2 Set the Focus operation selection switch (Fig. 3) to "AF-L". 3 During autofocus, the focus can be locked while you are pressing the Focus operation button. (Fig. 4) • Focus is locked while either of these buttons is pressed. • The AF-Lock function can be engaged on either the camera and lens. ˾ MEMORY RECALL (See page 24 for usable cameras. Available during autofocus and manual focus.) • Set the sound monitor switch (Fig. 5) to " " to activate the sound monitor; set it to " " to cancel. • The following operation is with the sound monitor activated. Fig. 5 28