Where can I buy a lens blank?

Discussion in 'Optometry Archives' started by GeorgeB, Sep 21, 2009.

  1. GeorgeB

    GeorgeB Guest

    For experimentation purposes, I would like to buy a plain, any
    material, coating of no consequence, lens blank, at least 30mm
    diameter, with either plus or minus 0.25 diopter (FL= 4 meters
    divergent or convergent). Where can I find this, and what would be an
    estimate of cost?

    GeorgeB, Sep 21, 2009
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  2. GeorgeB

    Otis Guest

    Otis, Sep 22, 2009
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  3. GeorgeB

    Dr Judy Guest

    Any optical that sells glasses can order a blank for you. Cost would
    be under $20, likely under $10.
    Dr Judy, Sep 22, 2009
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