“twin lens”

We have one entry that includes the term twin lens.

twin-lens camera

noun

: a camera fitted with two lenses optically corrected to make them identical in their application

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Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
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Another Great British Vocabulary Quiz, Innit? A double-decker quiz with words from across the pond