diffraction photogram

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Photography — is the art, science and practice of creating durable images by recording light or other electromagnetic radiation, either electronically by means of an image sensor or chemically by means of a light sensitive material such as photographic… … Wikipedia
Depth of field — The area within the depth of field appears sharp, while the areas in front of and beyond the depth of field appear blurry … Wikipedia
Circle of confusion — For the closely related topic in microscopy, see Point spread function. In optics, a circle of confusion is an optical spot caused by a cone of light rays from a lens not coming to a perfect focus when imaging a point source. It is also known as… … Wikipedia
Digital single-lens reflex camera — Nikon D700 full frame (FX) digital SLR camera … Wikipedia
Infrared photography — Top: tree photographed in the near infrared range. Bottom: same tree in the visible part of the spectrum … Wikipedia
Camera obscura — This article is about an optical device. For other uses, see Camera obscura (disambiguation) … Wikipedia
Photographic filter — Four photographic filters. Clockwise, from top left, an infrared hot mirror filter, a polarising filter, and a UV filter. The larger filter is a polariser for Cokin style filter mounts. In photography and videography, a filter is a camera… … Wikipedia

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