The view will change to include a capture button, and a diagram to show you how to position the printed pattern. With the correct camera selected, click Next. The honeycomb bed in the background will cause problems later if it isn't covered.Ĭhoose your camera in the list, and you'll see the view from the camera in the area to the left. It determines the amount and shape of distortion produced by the lens of the camera, and computes a lens correction that is accurate for your camera.Īfter following the steps from the overview above, you should be ready for the calibration process and looking at a screen like this one: The software analyzes how the pattern appears in the images, and compares that against its internal knowledge of how the pattern should look. This process only depends on the camera's lens, not on its placement in your machine - as long as the camera and calibration pattern are perfectly still, you do not need to mount the camera in the machine to perform the lens calibration.Ĭamera Lens Calibration walks you through capturing multiple images of the calibration image you've printed out. For more help, continue below.Ĭamera Lens Calibration Walkthrough ¶ Note on camera placement Follow the directions in the Camera Lens Calibration wizard.Mount the calibration image to something stiff and flat, such as cardboard, foam board, wood, or a clipboard.In the "Laser Tools" menu, open the "Camera Lens Calibration" wizard.Make sure the bed of your laser has good, consistent lighting and the camera is in focus.If your laser has a honeycomb bed or other surface with a lot of visible circles, you should cover it with something to block that pattern.Download and print the following image: Calibration-Circles.png.You can scale the image up or down when printing it, as well as raising or lowering the image to adjust how much of the camera view it takes up. You want the image to take up about 1/3 of your camera view. Older versions of this guide gave a specific size for the calibration image, but that will vary based on the size of your work area and the height of your camera. About 1/3 of the size of the camera's viewing area, when viewed through the camera.surrounded by a 6mm (1/4") or larger margin.In order to work properly, the calibration image must be:
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