Documents and files for machine vision
Using this calibration chart helps to perfectly focus an optical camera system and to check and balance the image brightness. Please observe the additional pdf guide "Using the Siemens star target". Please print this chart with a very high printing resolution (600 dpi).
The perfectly sharp image is the basic prerequisite for accurate measurements and the detection of smallest defects and structures. This white paper shows the user when, why and how to focus a lens. The optimal, methodically correct approach to perfectly focus a camera system is explained in detail in the second part of the four-page document.