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单词 Aldis lens
释义

Definition of Aldis lens in English:

Aldis lens

noun
Optics historical

  • A kind of anastigmatic compound lens that is a doublet consisting of a front lens which is convex on one side and concave on the other and a back lens which is convex on both sides.

Origin

Early 20th century; earliest use found in Photogram.

Definition of Aldis lens in US English:

Aldis lens

noun
Optics historical

  • A kind of anastigmatic compound lens that is a doublet consisting of a front lens which is convex on one side and concave on the other and a back lens which is convex on both sides.

Origin

Early 20th century; earliest use found in Photogram.
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更新时间：2025/6/20 10:22:50