Cooke triplet

名词 n.
中文释义

英文释义

名词 n.
  1. A photographic lens comprising a negative flint glass element in the centre with a crown glass element on each side. historical

词形变化

Cooke triplets plural

词源

Named after the company T. Cooke & Sons of York, whose chief engineer Dennis Taylor designed it in 1893.
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