Whats the difference

Discussion in 'Photography Beginners' Forum' started by Tighearnach, Jan 7, 2008.

  1. Tighearnach

    Tighearnach TPF Noob!

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  2. Mav

    Mav TPF Noob!

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    The 12-24 is a full-frame 35mm lens whereas the 10-20 is designed for the 1.5/1.6x cropped bodies and won't work at all on a full frame DSLR (1Ds/5D) or 35mm film bodies.

    10mm on a crop body is only equivalent to about 15/16mm in full 35mm terms, so a 12mm on a full-frame body will still be wider and have larger angle of view than 10mm on a crop body.

    Does that make sense? lol
     
  3. Tighearnach

    Tighearnach TPF Noob!

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    Thanks Mav had a feeling that was the case. Do you know if Canon have a similar lens made specifically for the cropped sensor?
     
  4. Antithesis

    Antithesis No longer a newbie, moving up!

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    I believe the sigma that you were looking at is the widest wide-angle you can get (other than a fish, but most people don't want that severe of distortion).
     
  5. Mav

    Mav TPF Noob!

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    Canon has the EF-S 10-22mm which is supposed to be an excellent lens from what I've heard, and around $600 USD. It's a better lens than the Nikkor 12-24 f/4 which is over $1000! :grumpy:
     
  6. nicfargo

    nicfargo TPF Noob!

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    All of Canon's EF-S lenses are for cropped bodies only. What do you shoot with?
     
  7. Mav

    Mav TPF Noob!

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    first post = XTi ;)
     
  8. nicfargo

    nicfargo TPF Noob!

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    thanks Mav, I really need to learn to read better.
     
  9. RyanLilly

    RyanLilly No longer a newbie, moving up!

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    I think that its worthwhile to note that EF-S are designed for 1.6 crop bodies except the 10D the 1d series have a 1.3x crop, I believe however, that the 1D/s MK III can use EF-S lenses but it utilizes a smaller portion of the sensor, I do not think that the MK I/II can use EF-S.

    So, Current EF-S Compatibility line up- XT, XTI, 20D, 30D, 40D
     
  10. Joves

    Joves No longer a newbie, moving up!

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    And you know the 12-24 is a lesser lense why now? Is it because you have one or, shot with one? Im just curious as to where you came to your conclusion.
     
  11. Mav

    Mav TPF Noob!

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    The 10D is a 1.6x also.
     
  12. Mav

    Mav TPF Noob!

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    Because a certain well known Nikon shooter whose name I shall not mention who also reviewed the Canon mentioned that a) it's a lot wider, b) has far less distortion than any other crop factor wide angle zoom on the market including the Nikon, c) it's a lot cheaper and actually affordable, and d) the lens made him want to seriously switch to Canon
     

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