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Thread: need some cheap half silvered (but not 50/50) mirrors or mirror films

  1. #1

    Default need some cheap half silvered (but not 50/50) mirrors or mirror films

    The quality doesnt have to be perfect because this is just me hacking a VR headset and adding stuff to it at this point so not for a professional equipment. I need a film, thin plastic or glass that will pass 80 to 90 of the incoming light and reflect 10 to 20 of that light, at a 45 degree incidence. What can I use for this? Or are these kind of non-50/50 mirrors available on alibaba or similar under a certain name?

  2. #2
    Join Date
    Nov 2008
    Location
    Cleveland Ohio
    Posts
    1,715

    Default

    Try a microscope slide. You’ll be surprised.

  3. #3
    Join Date
    Jul 2009
    Location
    Orlando, FL
    Posts
    293

    Default

    Quote Originally Posted by kecked View Post
    Try a microscope slide. You’ll be surprised.
    Those are a champ making for beamsplitters in a pinch. IIRC, the specular reflection from a microscope slide is ~4-5% of the incident light

  4. #4

    Default

    4 is too low. Teleprompter glass sheets are 70/30, though thinnest is 2mm.

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