レンズ

れんず
noun
lens
technology
1. lens
lens; a piece of curved glass or plastic used in optical devices like cameras, eyeglasses, or microscopes
Wipe the camera lens.
I photographed distant birds with a telephoto lens.
I clean my contact lenses every day.

レンズ is a loanword from Dutch "lens" (originally from Latin "lens" meaning lentil, due to the shape). It refers to any optical lens used for focusing light.

Types

  • コンタクトレンズ (contact lens)
  • 望遠(ぼうえん)レンズ (telephoto lens)
  • 広角(こうかく)レンズ (wide-angle lens)
  • 単焦点(たんしょうてん)レンズ (prime lens)
  • ズームレンズ (zoom lens)
  • (とつ)レンズ (convex lens)
  • (おう)レンズ (concave lens)

Common collocations

Photography

In camera contexts, レンズ often refers to interchangeable camera lenses. Japanese camera manufacturers (Canon, Nikon, Sony, Fujifilm) are world leaders in lens production.

Register: Neutral. Standard technical and everyday vocabulary.