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Thread: H502 Optics

  1. #1

    Default H502 Optics

    I have seen a few people complain that the H502 has amazing output but no optic to contain that output. Tonight, I had an idea and would like to share it.

    Instead of trying to shoehorn in a reflector on the H502 to give it a little more distance and a little better use of all of that light, what about using a Fresnel lens? I was messing with my iPhone and noticed that the LED in the phone had (what appears to be) a Fresnel lens over the LED. It has a defined hotspot with a decent amount of spill. In fact, the spill has the biggest viewing angle of any LED system I have seen. I'd put it at 180 degrees.

    If anyone has a Zebralight H502 and a small Fresnel lens, you should combine them and show the results.

    What do you think?

  2. #2
    *Flashaholic* Gunner12's Avatar
    Join Date
    Dec 2006
    Bay Area, CA

    Default Re: H502 Optics

    Sounds like a cool idea. I've got a SC51c so it already has a reflector.

    Anyone know if the stainless steel ring is screwed or glued in? If it is screwed in, then you can have someone machine a new bezel for it to incorporate the Fresnel lens.

  3. #3


    I'm under the impression that it's pressed in.
    The brighter the light, the darker the shadow.

  4. #4
    Flashaholic* ico's Avatar
    Join Date
    Aug 2011

    Default Re: H502 Optics

    I don't really know that much about fresnel lens but the H502 main use is a pure flood light that's why it has no reflector. The H51 is there if you need one with a reflector.

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