Nikon 2171 - Zoom-Nikkor Telephoto Lens, User Manual

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5. To limit the range of autofocus
(See page 20 for usable cameras.)
• With AF operation, if the subject is always more than 6m
(19.7 ft.) away, set the focusing limit switch (Fig. 2) to
“
∞
–
6m” to reduce focusing time.
• If the subject is sometimes 6m (19.7 ft.) or closer, set it to
“FULL”.
• This function is only compatible with autofocus.
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.
• 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.
Using the Focus lock button
(See page 20 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 20 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. 3
Fig. 4
Position of Focus operation
selection switch Function of Focus
operation button
AF-L Focus lock
MEMORY RECALL
Memory recall
AF-ON
AF start (AF-ON) on the lens
Fig. 5
Fig. 2