Definition of «pinhole»

A pinhole is a small opening, often very narrow and circular in shape. It can refer to an actual physical hole made by boring a small diameter hole through a material or surface, such as wood, paper, metal, or plastic. The term can also be used metaphorically to describe something that is extremely limited or restricted in scope, scale, or impact. In photography and optics, the term "pinhole" refers to an optical device with a small opening that allows light to pass through while creating a magnified image on the other side of the pinhole. This type of camera uses only one tiny lens (the pinhole) to capture an image, resulting in a unique visual effect and shallow depth of field.

Usage examples

  1. Build a pinhole camera using a shoebox and aluminum foil to create a small pinhole for capturing images.
  2. When taking photographs with a pinhole camera, the absence of a lens results in a softer focus and a unique, dreamy aesthetic.
  3. During science experiments, students can use a pinhole to create a light-proof chamber for observing the diffusion of light.
  4. Artists often incorporate pinhole photography techniques to create abstract and experimental images that showcase unconventional perspectives.
  5. Pinhole lenses can be attached to DSLR cameras to mimic the effects of pinhole photography, adding a vintage and artistic touch to digital images.
  6. In astronomy, a pinhole projector can be used to safely observe solar eclipses, allowing viewers to see the projected image of the partially obscured sun on a surface.

Sentences with «pinhole»

  • If you can't get your hands on eclipse glasses, you're not S.O.L. Channel your inner Pinterest mom and make pinhole cameras with your kids. (mommyish.com)
  • The left side of the watch houses a small pinhole microphone for voice actions and making calls, while a small speaker grille sits on the right for all sorts of sound output. (androidcentral.com)
  • During the course of her artistic career she has done extensive exploration of pinhole photography. (artthrob.co.za)
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