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Thread: KL4/E1e question

  1. #1
    Flashaholic nirad's Avatar
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    Default KL4/E1e question

    What is the lumen output of a KL4 with an E1e body?? I was playing with mine this evening and noticed how bright it was. I don't think I need a KL1 now [img]/ubbthreads/images/graemlins/smile.gif[/img]

  2. #2
    Flashaholic* nikon's Avatar
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    Default Re: KL4/E1e question

    It varies with the Vf of the LED. Mine falls about midway between the L1 and L4.

  3. #3
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    Default Re: KL4/E1e question

    nirad,

    From what I've seen in KL4's, the KL4 runs at about half current when running on one cell. I'd venture to guess that it's running between 300-350mA. This doesn't mean that you're getting half the light, just half the current. You might be getting about 60% of the light that you would get on 2 cells.

  4. #4
    Flashaholic nirad's Avatar
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    Default Re: KL4/E1e question

    I just wondered if anyone has measured the light output with a light meter, so I am assuming 30 - 40 lumens would be correct?

  5. #5
    Flashaholic* Phaserburn's Avatar
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    Default Re: KL4/E1e question

    That would be a very reasonable estimate. It really does depend on the KL4's Vf.

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