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  1. #11
    MattKing's Avatar
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    Apr 2005
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    Quote Originally Posted by Ole
    If two clear pieces of glass with the same refractive index and dispersion are cemented together, the only difference over a single piece of glass would be more flare.

    At least that's my best guess...
    It occurs to me that the two pieces might be less expensive to manufacture

  2. #12
    glbeas's Avatar
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    Quote Originally Posted by MattKing
    It occurs to me that the two pieces might be less expensive to manufacture
    Not likely, there would be four surfaces to grind instead of two.
    Gary Beasley

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