Home Wikituition Browse all terms Categories
Random term

Terms starting with P

70 terms · page 3 of 3

A–Z
All A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 0–9
Filtering by: Starts with P Clear all
PPI Printing, Display & Output ppi Pixels per inch: the number of image pixels mapped to each inch of output. ppi = pixels / inches Practical Light Lighting & Flash A light source that appears within the frame as part of the scene, such as a lamp, candle or neon sign. Prefocusing Focus & Depth of Field m Focusing in advance on the spot where the subject will be, then firing as it arrives. Preset Post-Processing & Retouching A saved set of processing settings that can be applied to other images in one action. Prime Lens Optics, Lenses & Filters mm A lens with a single fixed focal length that cannot be zoomed. Print Bleed Printing, Display & Output mm Image area extending beyond the intended trim line, so that no unprinted edge appears after cutting. Print Crop Ratio Printing, Display & Output ratio The proportional relationship between a print's dimensions, which rarely matches a camera's native aspect ratio. Print Head Alignment Printing, Display & Output A calibration routine that corrects for mechanical offsets in how the print head lays down ink in each direction. Print Permanence Printing, Display & Output years The expected life of a print before visible fading or colour shift, under stated display conditions. Print Resolution Printing, Display & Output ppi The density of image pixels mapped onto a printed surface, which together with the file's pixel dimensions determines the print size. Print size = pixels / ppi Prism Refraction Motion, Video & Creative Techniques Holding a prism, glass or crystal in front of the lens to bend light and introduce reflections, flares and repeated fragments. Product Photography Genres, Movements & Theory Photography of goods for sale, prioritising accurate description of form, colour and material. Program Mode Exposure & Metering An automatic mode, marked P, in which the camera selects both aperture and shutter speed while leaving other controls to the photographer. Projection Printing, Display & Output lumens Displaying photographs by projecting light through or onto a surface, for audiences rather than individual viewing. ProPhoto RGB Colour & Colour Management A very wide colour space that encompasses almost all colours a camera can capture, including some outside human vision. Protective Coating Printing, Display & Output A clear spray, laminate or varnish applied over a print to guard against ultraviolet light, moisture and abrasion. Provoke Genres, Movements & Theory A short-lived Japanese photography magazine of 1968-70 whose grainy, blurred, high-contrast style challenged documentary convention. Proxy Media Motion, Video & Creative Techniques px Low-resolution copies of footage used for editing, replaced by the originals for final rendering. PSD Files, Metadata & Workflow MB A layered working format that preserves layers, masks, adjustments, text and smart objects for continued editing. Pull Processing Film, Darkroom & Historic Processes stops Rating a film below its nominal speed and shortening development to compensate. Punctum Genres, Movements & Theory Roland Barthes's term for the detail in a photograph that pierces the individual viewer and gives it personal force. Push Processing Film, Darkroom & Historic Processes stops Rating a film above its nominal speed and extending development to compensate.