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  1. #1
    mtbr member
    Join Date
    Sep 2009

    any where i can get some thin glass?

    Does anybody know where i can get some glass to act as a diffuser? Ive built a 1000 lumen light and used normal glass (clear like a window). The problem is the beam is too directional like a spot light.

    so i now need some glass that is:-

    A. thin approx 1mm or thinner if possible .
    B. has some sort of diffusing properties to make the beam as wide as possible for short range throw.

    Any help would be greatly appreciated.

    thanks guys and gals.

  2. #2
    mtbr member
    Reputation: yetibetty's Avatar
    Join Date
    Dec 2007
    What diameter do you require? might be worth looking at DX though most of their glass is clear they do have the odd diffuser

    Or it could be worth a rummage through this lot
    Last edited by yetibetty; 06-20-2010 at 01:31 PM.

  3. #3
    mtbr member
    Reputation: Wombat's Avatar
    Join Date
    Jan 2004
    This site has lots of lens and says that the

    Acrylite FF P-99 is a great acrylic diffusion lens - Subtle, yet very effective. It combines the optical clarity of acrylic with a non-glare surface on one side to create one of the best diffusion effects we've seen. For use in low heat incandescent or LED applications only. These lenses are not very scratch resistant, so use caution when removing the protective film.

    It seems to come in quite a few sizes:


  4. #4
    mtbr member
    Reputation: znomit's Avatar
    Join Date
    Dec 2007

    Clip on diffusers...

  5. #5
    Killer b.
    Reputation: The Understater's Avatar
    Join Date
    May 2007
    Try paying a visit to your local watchmaker. He (or she) should be able to supply a watch glass from 0.8mm thickness. The diameters go up in 1/10th mm increments. You could ask for a domed or curved glass which is flat on the inside and curved on the front, which might diffuse a bit of light... although I'm not exactly sure about that. Starting thickness is 1mm outside edge.... locally anyway.

    Posting on the basis that ignorance shared is ignorance doubled.

  6. #6
    recognize the slowness
    Reputation: jbflyfshr's Avatar
    Join Date
    Jul 2006
    good tip!!

    I will file that away in the old grey matter
    "mountain biking and flyfishing, what more do you want?" - Yeah, I said it

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