Nikon N90 instruction manual 25 fS.6, Single Servo AF with Focus-Priority

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Single Servo AF with Focus-Priority

For Single Servo AF with Focus-Priority, set the focus mode to

S.

You lightly press the shutter release button, the lens starts adjusting for focus. Because the p'riority is on correct focus, the shutter cannot be released until the subject is in focus. After focus is achieved, the focus remains locked for as long as the shutter release button is lightly pressed. This feature is useful, especially when recomposing the picture with the mains subject off center. However, if the camera-to-subject distance changes, you have to refocus.

Stationary subject is in focus

With a stationary subject: Lightly press the shutter release button. When the subject is in focus, the lens stops moving, the in-focus indication . appears in the viewfinder, and focus is locked. If the subject moves, remove your finger from the shutter release button, then lightly press it again to re-start autofocus.

When a stationary subject comes into focus, a double beep sounds (if set).

4Subject is located closer than the closest focusing distance of the lens. Move away from subject and refocus.

•Appears when TC-16A is used, alerting that the lens focusing ring is not set at infinity (00). Set focus mode selector to M, set lens focusing ring to 00, set focus mode selector to S again, then refocus.

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