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Thread: Detemine the exact lens thickness

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    OptiBoard Apprentice gsmahesh's Avatar
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    Confused Detemine the exact lens 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.

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    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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    OptiBoard Apprentice gsmahesh's Avatar
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    Quote Originally Posted by bta89 View Post
    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
    Thanks for the reply. I had checked the website earlier . But what I need is the formula for measuring accurate thickness.

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    Manuf. Lens Surface Treatments
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    Quote Originally Posted by gsmahesh View Post

    Thanks for the reply. I had checked the website earlier . But what I need is the formula for measuring accurate thickness.

    I learned in the old days how to measure a lens thickness, one used the gauge and not a formula.
    Chris Ryser
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    http://optochemicals.com............................. http://arcoatings.com

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