| 摘要 |
An apochromatic lens triplet comprises a liquid lens element contained between two glass lens elements. where the two glass lens elements are geometrically identical to each other but face in opposite directions along an optic axis. Inwardly facing surfaces of the two glass lens elements, which are in contact with the liquid lens element, are spherical. Outwardly facing surfaces of the two glass lens elements are aspherical to optimize performance.
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