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  1. Replies
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    agreed on every point. Started in the lab as...

    agreed on every point.

    Started in the lab as well, worked at one location till I maxed out on both experience and pay, then moved.

    if you aren't tied down to location or company, move.
    ...
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    Without a foundation in multi variable calculus,...

    Without a foundation in multi variable calculus, trig, and differential equations,
    the equations themselves would be decently difficult to understand.

    You can manipulate them algebraically for...
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    5,891

    you need to figure out what index your...

    you need to figure out what index your laps/machine is calibrated to.

    you also need to know true curve of your blanks.

    otherwise knowing the manual side won't help. This is mostly why...
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    It's also interesting to see the technology that...

    It's also interesting to see the technology that has come about over the past 11 years in both hardware and software.

    It wouldn't take long to reverse engineer all the base curves of popular...
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    if someone is willing to supply samples, I can do...

    if someone is willing to supply samples, I can do a scratch test with a diamond stylus and provide scratch depth data, given a set pressure.
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    What he said, younger makes transitions in an...

    What he said,

    younger makes transitions in an 8 base for cr39, poly, trivex, and 1.60.

    I'm surprised more people don't do tinted/gradient transitions.
  7. Replies
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    why not just dye a regular grey photochromic lens...

    why not just dye a regular grey photochromic lens red?
  8. Replies
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    What types of articles/optics are you interested...

    What types of articles/optics are you interested in?

    If you only want to learn more about geometric optics of aspheric/free form single lens systems,

    Clifford Algebra is a nice place to start,...
  9. Replies
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    Pretty sure you are confusing thin film coating,...

    Pretty sure you are confusing thin film coating, such as AR, Mirror, and Band Pass coating, which is applied via physical vapor deposition, vacuum sputtering, or sol-gel.

    With hard coating,...
  10. Had no idea, haven't been in the...

    Had no idea, haven't been in the retail/mainstream market for sometime now.

    Been trying to keep up with the independents, but it becomes quite difficult.

    Good to know
  11. Very few, location dependent. Maui Jim, Oakley...

    Very few, location dependent.

    Maui Jim, Oakley before the takeover/buyout, Liberty Sport.

    Some higher end stores carry Cartier and Chrome Hearts, but it's pretty rare.
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    Price has been updated, please message me if...

    Price has been updated, please message me if interested
  13. Replies
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    updated price 05/26/16

    updated price 05/26/16
  14. Replies
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    for high plus Rx's especially PAL, an aspheric...

    for high plus Rx's especially PAL,

    an aspheric front surface will yield the best results cosmetically, and optically if you consider lens thickness.

    IOT camber really shines in this area, as...
  15. Thread: HEV clear lenses

    by ml43
    Replies
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    8,872

    Yes, on the right track. There are many ways...

    Yes, on the right track.

    There are many ways to achieve this chemically.

    http://www.google.com/patents/US6770692

    This isn't the patent I was referencing, I think it's on my other computer....
  16. Thread: HEV clear lenses

    by ml43
    Replies
    19
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    8,872

    my mistake on the GG420, I normally order it as...

    my mistake on the GG420, I normally order it as such, normally coated on one side.


    As for the ND filter and beam splitter comparison.

    Please find me a 50% beam splitter that appears as grey...
  17. Thread: HEV clear lenses

    by ml43
    Replies
    19
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    8,872

    They have almost the exact same cut off as a...

    They have almost the exact same cut off as a Schott GG420 long pass filter, which reflects a lot more yellow(but does not absorb), therefore appears more yellow.

    This is material science vs. thin...
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    Forgot to mention, the laser resistant claim...

    Forgot to mention, the laser resistant claim could have been in relation to the material and it's ability to sustain exposure to laser energy without degrading structural integrity. Similar to...
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    Most diode lasers are polarized, most gas lasers...

    Most diode lasers are polarized, most gas lasers are not.
    And even if the laser is polarized, it won't be 100% polarized.




    Even if you get the polarizer axis 90 degrees to the axis of...
  20. I've actually done this recently for a friend. ...

    I've actually done this recently for a friend.

    use FSV aspheric 1.74(1.00mm ct)

    keep horizontal decentration to a minimum.
    use a 45 degree heavy safety bevel, don't polish
    frame thickness is...
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    There has been a decent amount of R&D and...

    There has been a decent amount of R&D and publications about higher order aberrations and their coorelation to aspheric and free form optics over the past 10-15 years.

    You won't find them in...
  22. Thread: Tinting AR Lenses

    by ml43
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    Metal oxides are regularly used in multilayer AR...

    Metal oxides are regularly used in multilayer AR coatings.
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    Added a CE-1 Blocker and Dropped the Price

    Added a CE-1 Blocker and Dropped the Price
  24. Tens of thousands, depending on complexity. A...

    Tens of thousands, depending on complexity.

    A polymer prototype isn't much cheaper
  25. I don't think anyone in the opthalmic industry is...

    I don't think anyone in the opthalmic industry is willing to pay for custom precision optics.

    Only lens/contact lens manufactures can afford it
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