Encyclopedia > Electronic imager

  Article Content

Electronic imager

An electronic imager is an electronic device that detects electromagnetic radiation with spatial resolution. It is the electronic analog of the photographic plate or film. Common applications are digital photography and astrophotography.

The imager most commonly used in the optical and ultraviolet regions of the spectrum is the CCD.

All Wikipedia text is available under the terms of the GNU Free Documentation License

  Search Encyclopedia

Search over one million articles, find something about almost anything!
  Featured Article
Timeline of astronomical maps, catalogs, and surveys

... 134 BC - Hipparchus makes a detailed star map[?] 1678 - Edmund Halley publishes a catalog of 341 southern stars---first systematic southern sky survey 1771 - ...