Sapphire and ruby balls have use in drone vision systems

    Jan. 15, 2021
    Ultra-miniature sapphire and ruby balls, unaffected by fast-moving dirt and impervious to most chemicals, are used as lens systems in micro-air vehicles.
    Meller Optics 5ff627d37291d

    Ultra-miniature sapphire and ruby balls, unaffected by fast-moving dirt and impervious to most chemicals, are used as lens systems in micro-air vehicles. Available in 42 metric and English sizes from 0.1 mm to 0.5 in. diameters with antireflective coatings, the balls have Mohs 9 hardness and 80-20 scratch-dig surface finishes.

    Meller Optics

    Providence, RI

    melleroptics.com

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