Terms starting with P
70 terms · page 3 of 3
PPI
Pixels per inch: the number of image pixels mapped to each inch of output.
Lighting & FlashPractical Light
A light source that appears within the frame as part of the scene, such as a lamp, candle or neon sign.
Focus & Depth of FieldPrefocusing
Focusing in advance on the spot where the subject will be, then firing as it arrives.
Post-Processing & RetouchingPreset
A saved set of processing settings that can be applied to other images in one action.
Optics, Lenses & FiltersPrime Lens
A lens with a single fixed focal length that cannot be zoomed.
Printing, Display & OutputPrint Bleed
Image area extending beyond the intended trim line, so that no unprinted edge appears after cutting.
Printing, Display & OutputPrint Crop Ratio
The proportional relationship between a print's dimensions, which rarely matches a camera's native aspect ratio.
Printing, Display & OutputPrint Head Alignment
A calibration routine that corrects for mechanical offsets in how the print head lays down ink in each direction.
Printing, Display & OutputPrint Permanence
The expected life of a print before visible fading or colour shift, under stated display conditions.
Printing, Display & OutputPrint Resolution
The density of image pixels mapped onto a printed surface, which together with the file's pixel dimensions determines the print size.
Motion, Video & Creative TechniquesPrism Refraction
Holding a prism, glass or crystal in front of the lens to bend light and introduce reflections, flares and repeated fragments.
Genres, Movements & TheoryProduct Photography
Photography of goods for sale, prioritising accurate description of form, colour and material.
Exposure & MeteringProgram Mode
An automatic mode, marked P, in which the camera selects both aperture and shutter speed while leaving other controls to the photographer.
Printing, Display & OutputProjection
Displaying photographs by projecting light through or onto a surface, for audiences rather than individual viewing.
Colour & Colour ManagementProPhoto RGB
A very wide colour space that encompasses almost all colours a camera can capture, including some outside human vision.
Printing, Display & OutputProtective Coating
A clear spray, laminate or varnish applied over a print to guard against ultraviolet light, moisture and abrasion.
Genres, Movements & TheoryProvoke
A short-lived Japanese photography magazine of 1968-70 whose grainy, blurred, high-contrast style challenged documentary convention.
Motion, Video & Creative TechniquesProxy Media
Low-resolution copies of footage used for editing, replaced by the originals for final rendering.
Files, Metadata & WorkflowPSD
A layered working format that preserves layers, masks, adjustments, text and smart objects for continued editing.
Film, Darkroom & Historic ProcessesPull Processing
Rating a film below its nominal speed and shortening development to compensate.
Genres, Movements & TheoryPunctum
Roland Barthes's term for the detail in a photograph that pierces the individual viewer and gives it personal force.
Film, Darkroom & Historic ProcessesPush Processing
Rating a film above its nominal speed and extending development to compensate.