The Target Distance Tool will help you choose the right distance, but here are some examples for common lens focal lengths: Focal Length 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. This page will show you what you need to do to run your first calibration.

Reikan focal pro 2.65