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?