yondthe
ordinaryusesoffilmandprinting
paperbysandwiching
negativesforcompositepictures,creating
photogramswithoutcameraor
lens,orimposingvariousothersortsof
organizationonhiswork.Suchbasic
mattersestablishthebroadframework
ofdesigninphotography.They,like
thepainter'spaletteand
canvas,determinewhatcanbe
donenextincreating
apicture.Withinthis
framework,thephotographerstill
hasanenor-mousnumberofdesign
optionsfororganizingthevisual
componentstopro-ducetheeffect
hewants.Bychanging
hiscameraangleorwalking
aroundasubject,hecanexercisegreatcontroloverwhatwillappearin
thepictureandhowitwillbearranged—
choosingabackground,for
instance,orestablishinganewrelationship
be-tweentwoobjects
bymakingthemlookclosertogetherthan
theyreallyare.Theselectionof
alensallowshimtocontrolthe
effectofperspectiveandaltertherelative
sizesofnearandfarobjects,
aswellastheamountofmaterialincludedinthepicture.(Awide-angle
lensmightbeplacedclosetoapianoplayer'shandstomake
themseemdisproportionatelylarge;a long
lenscanmakecarsin
atraffic
jamseemcrammedtogether
byrendering
themalmostthe
samesize.)Byadjustingthelensaperture,the
photographercaneitherkeepalmost everypartofapictureinsharp
focusorextinguishsomeunwant-edelementinavaporousblur.
Bychoosingtheappropriateshutterspeed,
hecanfreeze
amoving
objectinonespotorcauseittodrawastreak
ofcoloracross
thepicture.Throughhischoiceoflighting,hecancontrol
thebright-nessofascene,itsshadows,andwhatis
disclosedorobscured.Eachofthesedecisionshelpsdeterminewhich
componentstheviewerwillseeinasituationandhowimportant
theywillseemtohim.Theyhelpsetthedesign.Thislistof
techniques(bynomeansexhaustive)indicatesonlyhowapho-tographercanimposeastructureonhisimage—andimmediately
raisesthequestionofwhatthatarrangementshouldbe.Thereisno
all-purposeanswer,forthedeploymentofelementsin
apicturedependsontheintentionofthephotographerandon
thetechniquesthatareavailabletohim.Butinstrivingforeffectivecommunication,hecanexploitcertaindesignprinciplesthathavebeenknowntoartistsforcenturiesandarestillusefulguides.Familiarity
withtheseprincipleshelpsdeterminethewaytheviewer
interpretsrelationshipsbetweenthevisualingredientsin
apicture.It
istherelationships,ratherthantheseparateingredients,thatmainlyinfluence thewaytheviewerperceives
thepictureanddetermineitssuccessasadesign
Viewingapicture,peoplewillnotedifferencesorsimilaritiesamongitsparts—variationsinshape,texture,form,color,size,orientationand
perhapsanumberofothercharacteristics,depending
on
thetraining
andpatienceofeachviewer.Dueto
thedifferencesorsimilarities
thatareperceived,thepartsseemtogainavisualequivalentofweight,andtheymakethepictureseem