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In the production of photographic prints, spotting is a type of retouching flaws in the finished print with specially made paints, dyes, pencils and pens. [1]White spots on gelatin-silver prints made from negatives are caused by dust adhering to the negative or paper during exposure.
Spot color classification has led to thousands of discrete colors being given unique names or numbers. There are several industry standards in the classification of spot color systems, such as: Pantone, the dominant spot color printing system in the United States and Europe. Toyo, a common spot color system in Japan.
The four-tube television camera, intended for color television studio use, was first developed by RCA in the early 1960s. [1] [2]: 96 In this camera, in addition to the usual complement of three tubes for the red, green and blue images, a fourth tube was included to provide luminance (black and white) detail of a scene. With such a camera, a ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 27 January 2025. Art and practice of creating images by recording light For other uses, see Photography (disambiguation). Photography of Sierra Nevada Photography is the art, application, and practice of creating images by recording light, either electronically by means of an image sensor, or chemically ...
A flying-spot scanner (FSS) uses a scanning source of a spot of light, such as a high-resolution, high-light-output, low-persistence cathode ray tube (CRT), to scan an image. Usually the image to be scanned is on photographic film , such as motion picture film , or a slide or photographic plate .
Digital Photography Review was founded in December 1998 in the United Kingdom by Philip and Joanna Askey. [4] [11] On May 14, 2007, it was acquired by Amazon.[3] [4] [21] DPReview employs a dedicated editorial team of in-house and freelance writers, and was editorially independent of Amazon.
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However, even if both techniques have inherent noise, it is widely appreciated that for color, digital photography has much less noise/grain than film at equivalent sensitivity, leading to an edge in image quality. [10] For black-and-white photography, grain takes a more positive role in image quality, and such comparisons are less valid.