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Also may mean "Perspective Control" for a lens that has the ability to shift to tilt to control linear perspective in an image. May also stand for personal computer in conjunction with digital photography. PDAF: Phase-detection autofocus. One of the mechanisms of automatic lens focusing. PF: Purple fringing. A form of chromatic aberration in ...
Due to recent advances in technology, duotones, tritones, and quadtones can be easily created using image manipulation programs. Duotone color mode in Adobe Photoshop computes the highlights and middle tones of a monochrome (grayscale or black-and-white) image in one color, and allows the user to choose any color as the second color.
For example, for a given film, if a light meter indicates a required EV of 5 and the photographer sets the aperture to f/11, then ordinarily a 4-second exposure would be required; a reciprocity correction factor of 1.5 would require the exposure to be extended to 6 seconds for the same result. Reciprocity failure generally becomes significant ...
With popular photo apps like Instagram, Snapchat and Flickr, it's pretty safe to say that most of us are tapping into some seriously ambitious photography skills. Because of apps such as these ...
The term applies to digital images, film images, and other types of images. "Higher resolution" means more image detail. Image resolution can be measured in various ways. Resolution quantifies how close lines can be to each other and still be visibly resolved. Resolution units can be tied to physical sizes (e.g. lines per mm, lines per inch ...
Discussing the benefits of composition in the art of photography and using combination printing, Robinson wrote, in Pictorial Effect in Photography, that the method of combination served to "produce an agreeable presentation of forms and tones, to tell the story which is to be elucidated, and to embody the spirit of what it is intended the ...
Due to the fact that half frame cameras use standard 35 mm film stocks, "half frame" continues to exist as a niche photographic format to the present date for diptych photography. [8] The irregular frame markers and its novelty of exposing two frames on one slide or negative has led to the growth of half frame cameras as a diptych format. [ 8 ]
Rephotography or repeat photography is the act of photographing the same site twice, with a time lag between the two images; a diachronic, "then and now" view of a particular area. Some are casual, usually taken from the same view point but without regard to season, lens coverage or framing.