Be sure to be familiar with the setup and have run Target Setup before running the calibration otherwise your results may not be accurate. The settings that will be used for this calibration are shown in the lower part of the Settings panel. The default values are usually most appropriate, but if you are an expert user you may wish to adjust the settings within the FoCal Preferences window. “Hands Free Mode” and “User Assisted Mode” Camerasĭepending on whether your camera supports Hands Free Mode or User Assisted Mode (see here for the camera support list), you may be prompted periodically to change the AF Microadjustment / Fine Tune of your camera.Īs the calibration progresses, you will see information updated on the screen similar to this: To start the calibration, simply hit the Start button. When the calibration is complete, you will see an information message similar to this, along with both images displayed in the main window: For detailed information about this, please see here. You can click around the charts and panels while the calibration is running, but the information in the Results panel may not accurate until the test is complete. The main chart - Lens Profile - shows you how the sharpness of your lens changes across the AF Microadjustment / Fine Tune range. Looking at the example above - horizontally the scale runs from -20 to +20, and the vertical scale is an indication of the sharpness of the image, so the higher a marker the sharper the image.
The calibration result - the best AF Microadjustment setting - will be where the image is sharpest. In the screenshot above, this is around -18, and is shown by the black vertical line.įor more details about the information shown, see the Charts section below.
Once the test is complete, you can save a PDF report to capture all the information.
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