A better means of seeing the sights (10)

I believe the answer is:

spectacles

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'the sights' is the definition.
(spectacle is a kind of sight)

I don't understand how the remainder of the clue works.

(Other definitions for spectacles that I've seen before include "With which to view" , "Glasses - showy displays" , "Aid to vision" , "What would make some people see better" , "splendid entertainments?" .)

I've seen this clue in The Guardian.

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