infinity, what it is and how do you do it?

Discussion in 'Photography Beginners' Forum' started by Rachelsne, Jun 20, 2008.

  1. Rachelsne

    Rachelsne TPF Noob!

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    I am shooting fireworks -well attemting to at the airshow tonight and I read that I shoul focus to infinity-what does that mean and how do i do it?

    Thanks as always

    Oh and im attempting the long exposure card idea
     
  2. manaheim

    manaheim Jedi Bunnywabbit Staff Member Supporting Member

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    Well, I know you want a very small aperature size... ideally smallest possible... for the greatest depth of field. What I don't know is if that is necessarily considered "infinity"... I've kind of wondered that one myself.

    You know, maybe I should just shut up and wait for Helen to answer. lol
     
  3. Josh66

    Josh66 Been spending a lot of time on here!

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    Does your lens have a distance scale on it? If it does there will be a mark (it's shaped like a "L" on Canon) that will tell you where infinity is. If you don't have a distance scale you could just turn the focus ring all the way out (counter-clockwise looking from behind the camera on Canon - not sure if that's universal or not), but that might actually be a little past infinity.
     
  4. Josh66

    Josh66 Been spending a lot of time on here!

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  5. Tiberius47

    Tiberius47 TPF Noob!

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    The infinite mark is generally shaped like an "8" that has fallen over. Infinity means that the object that youa re focussing on is a very long way from the camera.
     
  6. Rachelsne

    Rachelsne TPF Noob!

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    ok thank its a canon lens so all should be good-I hope!
     
  7. Josh66

    Josh66 Been spending a lot of time on here!

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    If it does have the distance scale on it just line up the mark under the window with the vertical part of the "L" and you will be at infinity.
     
  8. kundalini

    kundalini Been spending a lot of time on here!

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    The latest way to .




    :lol:
     
  9. Rachelsne

    Rachelsne TPF Noob!

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    I ended up not using iNfinity-but atleast I know how to do it

    thanks hopefiully ill post the pics soon
     
  10. Crosby

    Crosby TPF Noob!

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    :stun: past infinity :shock:
     

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