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During development, the exposed silver salts are converted to metallic silver, just as with black-and-white film. But in a color film, the by-products of the development reaction simultaneously combine with chemicals known as color couplers that are included either in the film itself or in the developer solution to form colored dyes.
The front film is orthochromatic, to record the blue-green portion of the picture. On the surface of its emulsion is a red-dye layer equivalent to a Wratten 23A filter. The rear film is panchromatic, and being photographed through the red coating of the front film, records only the red-orange components of the picture. No filtering is necessary ...
The first full-color animations were photographed using three-strip cameras. From 1934, animations were filmed using modified black and white cameras taking successive exposures through three color filters on a single panchromatic film, being simpler to operate and far less expensive. The technique lasted until 1973 (Robin Hood, Disney).
Two frames of a vertical filmstrip take up roughly the same amount of space as a single frame on the horizontal. Including its guard band, a vertical filmstrip could contain up to 64 images, while a horizontal oriented strip usually contained 32 images. This is based on the equivalent of a 25 exposure length of 35mm still camera film.
Plastic film is a thin continuous polymeric material. Thicker plastic material is often called a "sheet". Thicker plastic material is often called a "sheet". These thin plastic membranes are used to separate areas or volumes, to hold items, to act as barriers, or as printable surfaces.
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Color positive picture (A) and negative (B), monochrome positive picture (C) and negative (D) In photography, a negative is an image, usually on a strip or sheet of transparent plastic film, in which the lightest areas of the photographed subject appear darkest and the darkest areas appear lightest. [1]
Scientists studying how tiny particles of plastic affect our everyday lives say that the amount of nanoplastics found in bottled water is between 10 to 100 times higher than researchers had ...