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  1. Replies
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    Harry, I'm realy happy to hear that you may...

    Harry,

    I'm realy happy to hear that you may help me... but in the same way i don't understand why you speak about polar coordonate...
    is there a direct link between the back vertex power and the...
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    8,464

    Converting XYZ file into power map

    Does anybody know a way (software, formula...) to convert such a lens descrition:
    - an xyz file for the back side (the one used by a freeform generator for exemble)
    - a radius for the front side
    -...
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    New Mapper for FreeForm Lenses

    Did you heard about "NIMO", a new generation of Mapper from Lambda-X company (Belgum)? http://www.lambda-x.com/Default.asp?SHORTCUT=30

    it is a realy usefull instrument
    1- for everybody who use...
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    We make 2500 jobs a day and fortunately we have a...

    We make 2500 jobs a day and fortunately we have a database of trace..... but some suppliers of frame are not really stable on a same reference of frame.... There is no choice to trace some frames...
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    thank you darryl i baught a good publication...

    thank you darryl

    i baught a good publication on the subject (which give some samples of coefficient) and i am now ready to make some tests (i already have the free form technology)
    but i still...
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    26,952

    Unfortunately we can discuss a long time on the...

    Unfortunately we can discuss a long time on the subject 'how long is the pay-back of generating aspherical lenses' but this is not my question... i just want to understand what is a SV aspherical...
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    I can guarenty that it would be an helpfull...

    I can guarenty that it would be an helpfull information because i want to produce aspherical lenses from spherical blanks wich are realy cheaper.... if it is "just" a formula I just have to put in in...
  8. Thread: Atoric

    by F.Bourreau
    Replies
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    9,159

    Hello, how can i get this artical.... i try...

    Hello,

    how can i get this artical.... i try to click on the link but .....

    Fred
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    Thanks all of you for your answer but i have to...

    Thanks all of you for your answer but i have to be more precise in my question

    What are the parameters to calculated the design of an Aspheric Single Vision lense?

    is there a mathematic...
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    What is an Aspheric???

    Hello,

    who could give me scientific explanations of what is an aspheric /atoric surface???
    Is it like a progressive surface a deal between aberation and esthetic?
    or is it exact science with...
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