gamut The total range of reproducible colours and
density valueson some output devices likea printer or
monitor.
gels Smallsquaresofcolouredacetatewhichareplaced
in front ofa light source to createa colourcastover a
background or subject; used in both a studio and on
location.
Giclée Frenchnamefortheprocessofproducingfineart
prints from a digital source using inkjet printing
technology.
gobos Slidesmadefrommetalorglasstocreatetexture
andeffectsinlighting;mostgenerallyusedinconjunction
with the focusing spot, as they can then be manipulated.
golden hour Generally an hour beforesunrise and an
hourbeforesunset,wherethelightisnaturallydiffused;the
portrait photographer can utilize this light to great effect.
halftone Thereproduction of continuous-tone artwork,
suchasphotographyorpencilsketches,throughadigital
screeningprocess thatconvertsshaded imagesintosolid
inkdotsofvarioussizesandconcentrations;afewtinydots
producehighlightareas,andaheavyconcentrationoflarge
dots produces mid-tone and shadow areas.
HDRimages(HighDynamicRangeImaging) Created
whenseveralbracketedexposuresofthesameimageare
placedtogetherinlayerstoachieveamorelifelikeimage,
extractingfarmoredetailthanoureyeswouldnormallybe
abletoregisterandachievingsomethingthecamerainone
exposure is unable to replicate.