Nikon D6 Setting Guide Sports AF Edition - Page 20
AF Fine-Tuning, Manual Tuning
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AF Fine-Tuning When a CPU lens is mounted on the camera, autofocus can be manually or (in live view) automatically fine-tuned to suit your preferences. In the case of zoom lenses, the camera can store two fine-tuning values for each lens: one for use when the lens is zoomed all the way out (WIDE) and another for when it is zoomed all the way in (TELE). AF Fine-Tuning Use only as required. AF fine-tuning should be performed at the focus distance at which the lens is normally used; fine-tuning performed at short focus distances may be less effective with distant subjects and vice versa. The saved values are applied only during viewfinder photography and do not take effect in live view. Manual Tuning To fine-tune autofocus for the current lens, select [AF fine-tuning options] > [Fine-tune and save lens] in the setup menu. Any previously-saved value for the current lens will be overwritten. 1 Select [Fine-tune and save lens]. In the setup menu, select [AF fine-tun‑ ing options], then highlight [Fine-tune and save lens] and press 2 to display the AF fine-tuning dialog. The options displayed vary with the type of lens. Zoom lenses Fixed focal-length (prime) lenses 2 Fine-tune autofocus. Press 4 or 2 to choose from values of +20 to −20, selecting low values to move the focus point toward the camera and high values to move it away. The value currently-selected is shown by g, the last saved value for the lens by j. In the case of zoom lenses, you can save two fine-tuning values: one for use when the lens is zoomed all the way out (WIDE) and another for when it is zoomed all the way in (TELE). Press 1 or 3 to access the desired option. If desired, you can press W (M) to end manual tuning and proceed to Step 3 of"Auto AF Fine-Tuning" (page 21), where you can fine-tune autofocus automatically while previewing the results in live view display. 3 Press J. Press J to save the new value. To enable AF fine-tuning during shooting, select [On] for [AF fine-tuning options] > [AF fine-tune on/off] in the setup menu. 20