Page 185 - (DK) Advanced Photography Guide
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GLO S S A RY    183


       exposure compensation           matches the traditional size of a   JPEG (Joint Photographic Expert
       An adjustment of the base exposure   35mm film frame; approximately   Group)  One of the most popular
       initially set by the camera, usually in   36mm x 24mm.          file formats for recording and saving
       1/3, 1/2, or 1 EV increments. Negative   fully automatic  A shooting    digital photographs.
       exposure compensation darkens an   mode in which most of the camera’s   Kelvin  A scale in which the color
       image, and positive lightens it.
                                       functions are set automatically, giving  temperature of light can be measured.
       f/stop (f/number)  A term used to   the photographer limited control.
       refer to the size of the aperture in a                          keyword  A word or phrase added
       lens. It is expressed as a fraction of   geo-tag  Digital information in    to the metadata of a photo that
       the focal length: f/4, f/11, f/22, etc.  a photo about its location that is   describes an aspect of that photo.
                                       entered either when it was shot,    Keywords can be searched for in
       filter (physical)  A piece of glass,   or later in postproduction.   DAM software.
       plastic, or optical resin that is
       attached to a lens to filter the light   global correction  An adjustment   kit lens  An inexpensive lens, usually
       that passes through it. The effect is   that is made across an entire photo.  a zoom, that is commonly sold as a
       duplicated in the resulting image.  graduated ND filter  A filter, often   package with a DSLR or CSC.

       filter (digital)  An image-editing   used when shooting landscape that   landscape (format)  An image
       effect that emulates a physical filter   has a semiopaque half and a clear   format in which the longest sides
       and alters either the entire image or   half, to balance the exposure across    of the rectangle are horizontal
       a selected part of it.          a photo.                        (as opposed to portrait format).
       focal length  The distance (in   highlights  The brightest parts of    layer  An element that can be set
       millimeters) from the optical center   a scene or photograph.   on an image in postproduction, to
       of a lens to the focal plane when    histogram  A graph showing the   which adjustments or changes can
       the lens is focused on infinity. Focal   relative spread of tones in an image.  be made.
       length, together with the size of the                           layer mask  A part of a layer that
       camera’s digital sensor, determines    hot shoe  A connection found on   is used to limit an adjustment to
       a lens’s angle of view.         the top of most DSLRs and some   a specific area of an image.
                                       CSCs, to which an external flash
       focus  To adjust lens optics to ensure   or remote trigger can be attached.   LCD (Liquid Crystal Display)
       that a sharp image is produced on                               Display technology used in EVFs
       the camera’s sensor.            ICC profile  Data that specifies the   and rear camera screens.
                                       range of colors that a digital device,
       flash  An electronic device that   such as a monitor or printer, can   lens  An assembly of glass or plastic
       emits a brief but intense burst    produce to ensure that the color is   optical elements used to focus light
       of light.                       consistent across different devices.  onto the camera’s sensor.
       frame  A single photographic image.   incident-light metering  The   lens elements  The shaped pieces
       Also, a surround of wood, plastic, or   measurement of the amount of light   of glass in a lens that focus light.
       metal made to display a print.
                                       falling onto a subject, usually taken   light meter  A tool used to measure
       frame rate  The number of       with a handheld light meter.    the brightness of light, making it
       photos that a camera can shoot   infinity  The farthest point from the   possible to determine which camera
       every second in Continuous Drive   camera on which the lens can focus.  settings to use. All cameras have a
       mode. It is also referred to as                                 built-in light meter.
       frames per second (fps).        ISO  A numerical value that specifies
                                       how sensitive a sensor is to light.   line-of-sight  Unobstructed visibility
       front element  The part of the    Higher ISO values make it possible to  between the photographer and
       lens exposed to the scene.
                                       use faster shutter speeds or smaller   camera and a subject, or between
       full-frame  A sensor size that   apertures at the expense of noise.  a master and a slave flash.







   US_182-185_Glossary.indd   183                                                                    05/02/2018   14:36
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