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Lenses: meaning, definitions and examples

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lenses

 

[ˈlɛn.zɪz ]

Definitions

Context #1 | Noun

optics technology

Lenses are transparent pieces of glass or plastic that are used to focus or disperse light rays. They are commonly used in various optical devices such as glasses, cameras, and microscopes to improve vision or capture images.

Synonyms

focal device, glass, lens.

Examples of usage

  • She adjusted her lenses to get a clearer view.
  • The camera lenses can significantly affect the quality of photos.
  • Optometrists prescribe lenses to help correct vision.
  • He cleaned the lenses of his glasses before stepping outside.
Context #2 | Noun

photography tools

In the context of photography, lenses refer to the components of a camera that focus light onto the sensor. Different types of lenses can change the perspective, depth of field, and overall composition of photographs.

Synonyms

camera lens, optical lens.

Examples of usage

  • A wide-angle lens captures more of the scene.
  • She invested in a new telephoto lens for her camera.
  • Changing lenses allows photographers to experiment with different styles.
  • Prime lenses offer superior sharpness and clarity.

Interesting Facts

Etymology

  • The word 'lens' comes from the Latin 'lenticula,' meaning 'little lentil,' as the shape of a lens resembles that of a lentil bean.
  • In medieval times, the word 'lens' referred to any transparent object that focuses light, especially in tools for learning.

Science

  • Lenses are used in various optical instruments like microscopes and telescopes, enabling scientists to explore the very small and the very far.
  • Convex lenses converge light rays to a point, while concave lenses diverge them, which is crucial for understanding how vision works.

History

  • The first recorded lenses were made by the ancient Egyptians and Greeks, using polished crystal or glass to magnify objects.
  • In the 13th century, glasses began to be manufactured in Italy, marking a significant advancement in vision correction technology.

Pop Culture

  • In the world of film and photography, different types of lenses (like wide-angle or macro) drastically change how stories are told visually.
  • Famous filmmakers often use specific lenses to create unique effects; for example, the 'fish-eye' lens offers a wide, distorted view.

Literature

  • Lenses are often used as metaphors in literature, symbolizing perception and how one's viewpoint can change understanding.
  • Works of fiction sometimes employ lenses to explore themes of clarity versus distortion in character relationships or societal views.

Word Frequency Rank

At #7,459 in frequency, this word belongs to advanced vocabulary. It's less common than core vocabulary but important for sophisticated expression.