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Thread: Hmc Uv? Ttl?

  1. #1
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    Default Hmc Uv? Ttl?

    hallo hallo all,

    just got some random questions to ask:

    1. what does HMC UV mean? why does HMC cost more than the normal UV filter?
    2. what does TTL stand for exactly? i got a SB-800, read the manual, but still got no idea what does TTL and i-TTL mean. i know what it does, but how do you define it? haha.

    thanks all!

    regards,
    jizeng

  2. #2
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    Default Re: Hmc Uv? Ttl?

    hmc - hoya multi coat
    ttl - through the lens.

  3. #3
    Senior Member zac08's Avatar
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    Default Re: Hmc Uv? Ttl?

    iTTL is designed for digital cameras.

    It uses pre-flashes to determine the proper exposure of the subject with TTL metering.
    Michael Lim
    My Flickr Site

  4. #4
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    Default Re: Hmc Uv? Ttl?

    Quote Originally Posted by zac08 View Post
    iTTL is designed for digital cameras.

    It uses pre-flashes to determine the proper exposure of the subject with TTL metering.
    IIRC, iTTL for Nikon, eTTL for Canon.

    Regards,
    Arto.

  5. #5
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    Default Re: Hmc Uv? Ttl?

    oooh. i see. thanks guys!

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