Optics

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.

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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