Fine-tune focus for the current lens.
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Use only as required.
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We recommend that you perform fine-tuning at a focus distance you use frequently. If you perform fine-tuning at a short focus distance, for example, you may find it less effective at longer distances.
Option |
Description |
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[ ] |
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[ ] |
Fine-tune focus for the current CPU lens; separate focus positions can be selected for viewfinder and live view photography (Creating and Saving Fine-Tuning Values).
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[ ] |
Choose the AF tuning values used for viewfinder and live view photography with lenses for which no values have been saved using [Choosing a Default Fine-Tuning Value). ] ( |
[ ] |
List values saved using [2 displays a [ ] dialog. ]. Highlighting a lens in the list and pressing
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To delete values saved using [O (Q).
], highlight the desired lens in the [ ] list and pressCreating and Saving Fine-Tuning Values
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Attach the lens to the camera.
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Select [2.
] in the setup menu, then highlight [ ] and press -
Highlight [2.
] or [ ] and pressAn AF fine-tuning dialog will be displayed. The options displayed vary with whether the attached lens is a zoom lens or has a fixed focal-length.
Zoom lens
Fixed focal-length lens
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Press 4 or 2 to fine-tune autofocus.
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Choose from values between +20 and −20.
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The current value is shown by g, the previously-selected value by j.
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If a zoom lens is attached, you can choose separate fine-tuning values for maximum angle (WIDE) and maximum zoom (TELE). Use 1 and 3 to choose between the two.
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The larger the fine-tuning value, the farther the focal point from the lens; the smaller the value, the closer the focal point.
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Press J to save the new value.
Use auto AF fine-tuning to fine-tune autofocus automatically while viewing the results in the live view display. Pressing the W (Y) button in the [ ] display in Step 3 takes you Step 2 of “Auto AF Fine-Tuning” (Auto AF Fine-Tuning).
Choosing a Default Fine-Tuning Value
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Select [2.
] in the setup menu, then highlight [ ] and press -
Highlight [2.
] or [ ] and pressAn AF fine-tuning dialog will be displayed.
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Press 4 or 2 to fine-tune autofocus.
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Choose from values between +20 and −20.
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The current value is shown by g, the previously-selected value by j.
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The larger the fine-tuning value, the farther the focal point from the lens; the smaller the value, the closer the focal point.
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Press J to save the new value.
Auto AF Fine-Tuning
Auto AF fine-tuning is performed as described below.
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Rotate the live view selector to C and press the a button.
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Press the AF‑mode and movie-record buttons simultaneously and keep them pressed for over two seconds.
Zoom Lenses
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The camera will display options for fine-tuning autofocus separately at maximum angle and maximum zoom.
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Highlight [J; the camera will select the center focus point and the auto AF fine-tuning dialog will be displayed.
] (maximum angle) or [ ] (maximum zoom) and press
Fixed Focal-Length Lenses
The camera will select the center focus point and the auto AF fine-tuning dialog will be displayed.
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Press the shutter-release button halfway to focus.
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If you are using a zoom lens, rotate the zoom ring all the way to select either the maximum angle or maximum zoom before focusing.
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Before focusing, mount the camera on a tripod and aim the camera at a flat, high-contrast subject parallel to the camera focal plane.
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Note that auto AF fine-tuning works best at maximum aperture.
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Zoom in on the view through the lens to confirm that the subject is in focus. Focus can be adjusted manually if necessary.
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Note that live view autofocus and auto AF fine-tuning may not function in dark surroundings.
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Press J.
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The AF fine-tuning value for the current lens will be added to the [
] list (CPU lenses only). -
If auto fine-tuning is successful, AF fine-tuning will be enabled and the [
] item will change to [ ]. -
If you are using a zoom lens, after completing AF fine-tuning for either the maximum angle or maximum zoom, you will need to repeat the process for the remaining item. Press the X (T) button and repeat Steps 2 to 4.
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New values overwrite existing values.
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Press J to save changes and exit.
If auto fine-tuning fails, a message will be displayed. Press X (T) to attempt auto fine-tuning again, or press J to exit without performing AF fine-tuning. Pressing X (T) returns you to Step 2.