New glasses...giving me CA?

Discussion in 'Off Topic Chat' started by Josh66, Sep 2, 2009.

  1. Josh66

    Josh66 Been spending a lot of time on here!

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    I got some new glasses today. I like them, they're pretty cool. ;)

    I have noticed something though...

    Never noticed this with other glasses, and I always get the anti-reflective coating so I don't think it's that.

    I seem to be getting some CA. It's the same for both eyes and both lenses.
    If I look through the extreme right side of the lens highlights take on a orange/yellow cast. Blue through the extreme left side.


    Maybe it's from the shape of the lens (rectangle)? All of my other glasses have been more of a round shape.

    Not sure... Could be the coating I guess. Might be a different AR than the one I had before.

    It's not really that big of a deal, I just noticed it and thought it was kinda weird. Anyone else experience that?
     
  2. Jaszek

    Jaszek No longer a newbie, moving up!

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    I've experienced it a couple of times, but now I either got used to it or don't see it anymore. I have the anti reflective coating and oval-ish shape lenses. At least thats better then getting lets say fish eye distortion. But wide angle would be cool :D
     
  3. Josh66

    Josh66 Been spending a lot of time on here!

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    They have a little bit of barrel distortion on the edges too, but it's hardly noticeable...
     
  4. marp

    marp TPF Noob!

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    And can you also see some noise on the sky, when you look out of the window:lmao:?

    I do not wear glasses, so I have no experience with it, and nobody ever told me about such problem with theirs.

    I just wonder, if a non-photographer would notice the CA or any distortion...
     
  5. Jaszek

    Jaszek No longer a newbie, moving up!

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    Haha I just checked mine and I have some distortion on the edges too. lol
     
  6. krayola

    krayola TPF Noob!

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    High-index glasses do indeed suffer from CA; I noticed this when I got my first pair. I almost had to return them, as they were brutal the first few days. Now I only notice about once a month.
     
  7. lvcrtrs

    lvcrtrs TPF Noob!

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    Speaking of eye glass coatings. For all you wearers out there, next time you need lenses, check out ALIZE coating. It was about $25 more expensive than regular anti-glare but worth EVERY PENNEY!!!! It doesn't get those fingerprints and marks every time you blink. And dust doesn't stick to it so readily AND seriously for people who don't do dirt work you will hardly ever have to clean them. Now that is worth the money.
     
  8. Josh66

    Josh66 Been spending a lot of time on here!

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    ^^^
    That's what I have.

    I have noticed that they seem to stay cleaner...
     
  9. Yemme

    Yemme No longer a newbie, moving up!

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    Where are the pictures of these glasses....
     
  10. mooimeisie

    mooimeisie TPF Noob!

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    :addpics:
     
  11. itznfb

    itznfb TPF Noob!

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    Should have gone with Nikon lenses...

    :D
     
  12. Josh66

    Josh66 Been spending a lot of time on here!

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    edit

    if you want to know what they look like, do a search on google images for "jhane barnes cosine" that's them.
     
    Last edited: Sep 3, 2009

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