Phrases with «such a lens»

One such lens system has recently been discovered and the discovery was made not in an astronomer's office, but in a classroom. (sciencedaily.com)
Such lenses allow the phone to find the position of an eye when users look at their phones. (ibtimes.com)
But such lenses don't offer a sense of depth: they show all objects — both near and far — in focus at all times. (sciencedaily.com)
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