B2noun2K

Lens

UK /["/lenz/"]/US /["/lenz/"]/

Definition

a curved piece of glass or plastic that makes things look larger, smaller or clearer when you look through it

In simple words: A piece of glass or plastic that helps you see better.

Examples

  • a pair of glasses with tinted lenses
  • Put your hand in front of your right lens and just look through your left lens.
  • She wears glasses with very thick lenses.
  • a camera with an adjustable lens
  • a view of Mount Kilimanjaro as seen through Eddie's camera lens
  • a **lens cap/cover**
  • a long-lens shot of a rare bird
  • Have you got your lenses in?

Usage notes

Use 'lens' when talking about glasses, cameras, or scientific instruments. Avoid using it in very casual contexts.

Grammar pattern

lens + of + object

Memory hint

Think of a camera lens that focuses on a scene — it helps you see clearly.

Collocations

  • strong
  • thick
  • coloured/​colored
  • cap
  • cover
  • through a/​the lens

Synonyms

  • optic
  • glass
  • scope
  • filter

Antonyms

  • obscuration
  • blur

Common mistakes

  • Mistakenly using 'lenses' when referring to a single lens.
  • Confusing 'lens' with 'glasses' when describing vision aids.
  • Using 'lens' as a verb instead of a noun.