Westchester Community College | Digital Photography | Prof. Jacques
Name_______________________________________
ControllingLight|ShutterSpeed+Aperture|StudyGuideTomakeacorrectexposure,sothatyourpictureisneithertoolightnortodark,youneedtocontroltheamountoflightthatreachesthedigitalimagesensor.ShutterSpeed=ExposureTimeTheshutterspeed(theamountoftimetheshutterremainsopen)isoneoftwocontrolsyourcamerahasovertheamountoflightenteringthecamera.
Aperture=f-StopTheaperturesizeistheotherlightcontrol(howbigorsmallistheholethatallowslightinthecamera).
Bycontrollingtheamountoflightthatentersthecamera,theshutterspeedalsoaffectsthewaythatmovingobjectsareshown.
Westchester Community College | Digital Photography | Prof. Jacques
Afastshutterspeedcanfreezemotion–1/250sec.ismorethanfastenoughformostscenes.Averyslowshutterspeedwillrecordevenaslow-movingobjectwithsomeblur.ShutterSpeed+ApertureTheshutterspeedandapertureworktotogethertoachieveacorrectexposure.Astheshutterspeedgetsfaster,lettinglesslighthitthesensor,theapertureopeninggetslargertomakeupthedifference.Ifyouwanttouseasmallapertureopening,theshutterspeedwillbecomeslowertocompensate.Foracorrectexposuretheshutterspeedandtheapertureopeningneedtoworktogethertoallowthecorrectamountoflightstrikethesensor.
Aperture–F-stop
ShutterSpeed
Westchester Community College | Digital Photography | Prof. Jacques
1.Whichphotographbelowbestillustratesafastshutterspeed?
2.Whichphotographbelowbestillustratesafastshutterspeed?
3.Whichphotographsbelowbestillustratesaslowshutterspeed?
Westchester Community College | Digital Photography | Prof. Jacques
4.Whichphotographbelowbestillustratesaslowshutterspeed?
5.Whichphotographbelowbestillustratesalargeapertureopening?
6.Whichphotographbelowbestillustratesalargeapertureopening?
Westchester Community College | Digital Photography | Prof. Jacques
7.Whichphotographbelowbestillustratesasmallapertureopening?
8.Whichphotographbelowbestillustratesasmallapertureopening?
9.Whichofthefollowingphotographsbestillustratesafastshutterspeedwithalargeapertureopening?
Westchester Community College | Digital Photography | Prof. Jacques
10.Whichofthefollowingphotographsbestillustratesaslowshutterspeedwithasmallapertureopening?