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Thread: Diff type of lens...

  1. #1

    Default Diff type of lens...

    Anyone can explain diff type of lens...

  2. #2

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    This can take a whole book, you know. What do you need to know for now?

  3. #3
    Senior Member
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    Wah, this surely is a big topic leh.....

  4. #4

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    Quote Originally Posted by YSLee
    This can take a whole book, you know. What do you need to know for now?
    i need to know wad L lens do USM non-USM

    IS II?

    and alot more....

  5. #5

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    Quote Originally Posted by Kelvin^Newbie
    i need to know wad L lens do USM non-USM

    IS II?

    and alot more....
    w00T! i gotta stick to this thread too.. AHhaa Wanna know!

  6. #6

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    Quote Originally Posted by OzOn3
    w00T! i gotta stick to this thread too.. AHhaa Wanna know!
    haha...i too newbie liao...toot toot one...
    need clubsnapper help...

  7. #7
    Senior Member
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    I think you should post your question in the Canon forum, guarantee you will get lots more reply.

  8. #8

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    Quote Originally Posted by Kelvin^Newbie
    i need to know wad L lens do USM non-USM

    IS II?

    and alot more....
    Check this out

    http://www.usa.canon.com/eflenses/technology/index.html
    See my Photo Gallery at the Clubsnap

  9. #9

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    Quote Originally Posted by megaweb
    hmm....nw i get to know more abt it...thank alot by the way may i know the f for lens the bigger f better or the smaller better...

  10. #10

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    Quote Originally Posted by Kelvin^Newbie
    hmm....nw i get to know more abt it...thank alot by the way may i know the f for lens the bigger f better or the smaller better...
    For different usage, bigger aperture (smaller number) means more light pass through onto the film, or the sensor, which allows you to take photos of poorer light condition. Besides contributing to the exposure of the film or sensor, the aperture also controls depth of field .

    Depth of field basically refers to the distance in front of and beyond the sharply focused subject of the picture. For example, with a standard lens using it's widest aperture, let's say f1.8, and a subject of 1.8m from the camera, very little of the background would be in focus. But, if the aperture is set to f16 or even f22, more of the background and foreground will be sharp, which is ideal for group shots or landscape etc.

    Lens with bigger aperture will normally cost much more.
    Last edited by togu; 9th September 2003 at 09:48 PM.

  11. #11

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    Quote Originally Posted by togu
    For different usage, bigger aperture (smaller number) means more light pass through onto the film, or the sensor, which allows you to take photos of poorer light condition. Besides contributing to the exposure of the film or sensor, the aperture also controls depth of field .

    Depth of field basically refers to the distance in front of and beyond the sharply focused subject of the picture. For example, with a standard lens using it's widest aperture, let's say f1.8, and a subject of 1.8m from the camera, very little of the background would be in focus. But, if the aperture is set to f16 or even f22, more of the background and foreground will be sharp, which is ideal for group shots or landscape etc.

    Lens with bigger aperture will normally cost much more.
    thanx guy...

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