If the camera is too close to the target, the results of the calibration won't be as good for general shooting. The distance between the camera and the target is important for a good calibration. You'll need to attach the target to a flat, vertical wall and aim the camera at the target, so pick a height at which you can easily aim the tripod mounted camera. A FoCal target - either a FoCal Hard target like the one supplied in the box or available from the FoCal Store, or a target image printed on quality paper.A USB cable to connect your camera to the computer - this is usually supplied with the camera.Your camera and the lens you want to calibrate You're going to need a few things to get going with the calibration: If you want more information about installation, head here for Windows or here for Mac install instructions.If you've just got your boxed copy of FoCal and are unsure what to do, have a look here for information.You should have the software installed and ready to go, but if you're not in that position head to the guides below to help you get set up.
Once adjusted, hit the refresh button (the blue icon to the right of the Environment Check Results panel title) and a shot will be taken and all the information updated.This page will show you what you need to do to run your first calibration. You do not have to be too precise, anywhere around the centre will be acceptable.
You will see real-time feedback in the Live View panel – adjust the camera until the red cross is approximately over the centre of the target. While the test is running, you can adjust the target position by moving the camera on the tripod. Click the “+” icon to open the panel and see further information as shown below: If the target is not in the correct position, you will see a red warning indication on the Target Placement panel. The camera does not have to be aimed exactly in centre of the target, so don’t be surprised if this check passes OK even if your setup is a little off from the centre. Note that the tolerances for this test ensure accurate analysis results.
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