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  1. mdemers

    Simple Wide Angle Projector

    Yes, it does have to be white light, or at least in the visible spectrum. Laser light is not allowed, but thanks for the link.
  2. mdemers

    Simple Wide Angle Projector

    I'm looking to build a $100 white light projector to project a pattern of lines. The final image at an object distance of 5 feet must be at least 44" x 30". The image should be close to being in focus and the object format is TBD. The off-the- shelf projection lenses are too...

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