

Why lighting matters more than the camera
In a vision project, attention usually goes to the camera first. Yet the lighting decides whether a defect becomes visible at all. Here is how to choose the right machine vision lighting.
In a new vision project, attention usually goes to the camera first: how many megapixels, which brand, which lens. In practice, though, it is more often the lighting that decides whether an inspection works. A defect that is not visible in the image cannot be found by any software, however smart.