May I ask if you are lens magnification correction good yes. Machine accuracy is not corrected? If it is the lens magnification. Generally your equipment will be equipped with a standard piece of glass. Available glass correction. I do not know which instrument you use. But the general calibration method is similar. If you don't know, please ask me. If the accuracy of the machine is not accurate. You need to use a line ruler to calibrate. That is, you usually say the standard ruler. With a standard ruler to do a compensation correction can be. But I guess you don't have that kind of ruler. I don't know how big your machine is. If you don't have one. You can ask the manufacturer who sold you the equipment to ask him to calibrate. The above is from the industry answer. Hope it can help you. Suzhou Co Trace Optoelectronics, specializing in the production and sales: secondary yuan, three yuan, image measuring instrument, manufacturers.
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