How can I calculate exact center thicknessof a lens? Available datas are exact front curve, approximate back curve, lens power, lens index, tool index, diameter and edge thickness.
How can I calculate exact center thicknessof a lens? Available datas are exact front curve, approximate back curve, lens power, lens index, tool index, diameter and edge thickness.
Google lens thickness calculator and go to the opticampus website that pops up. Here is a url http://64.50.176.246/tools/thickness.php
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