CSE597F Computational Photography, Spring 2010 Assignment...

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CSE597FComputationalPhotography,Spring2010Assignment1,dueJan22Thisweekwewouldlikeyoutogetfamiliarwiththebasicsofcontrollingyourcamerainmanualmode,anduploading/postingimagestoourcourseflickrgrouppage.Herearethespecificsofwhatwewouldlikeyoutodo:1)ifyouhaven’tdonesoalready,getyourselfaflickraccountandjoinourflickrgrouppage.Togetaflickraccount,youwillfirstneedayahooaccount.However,bothyahooandflickraccountsarefree.Onceyouhaveaflickraccount,gotohttp://www.flickr.com/groups/psucompphoto/andclickon“Join”tosendarequesttojoinourgroup.Wewillthenaddyoutothegroupassoonasweseeyourrequest.2)we’dlikeyoutotakeatleast6photosthatdemonstratecontrolofcamerazoom,shutterspeedandaperture.Ifyouareanoldhandatphotography,thispartoftheassignmentwillbeveryeasy.Ifyouhaveneverusedyourcamerainanythingotherthan“auto”modebefore,thefirststepmaybetogetoutyourusermanualandfindoutwheretheshutterandaperturecontrolsare,andhowtousethem!2.1)takeapairofimagesdemonstratingwideanglevsnarrowangleperspectiveeffectsonthesameobject.Anexamplefromthelecturenotesisbelow.Thisisaccomplishedbychangingyourdistancetotheobjectwhilealsochangingzoom.

2.2)takeapairofimagesdemonstratingfastversusslowshutterspeed.Fastshutterspeedshavetheeffectoffreezingmovingobjectssothattheyappearclearlyintheimage,whileslowshutterspeedsyieldmotionblur.Anexamplefromthelecturenotesisbelow.Slowshutterspeedsarealsousefulfortakingpicturesinlow‐lightconditions.

2.3)takeapairofimagesdemonstratingwideversusnarrowdepthoffield.Anexamplefromthelecturenotesisshownbelow.Thisisaccomplishedbychangingtheaperturesettingonthecamera.Itisalsoeasiertoobservedepthoffieldeffectsatlongerfocallengths(i.e.athigherzoomvalues).

Ifyourcamerahasanapertureprioritymodeandshutterprioritymode,youcancertainlyusethoseinsteadoffullymanualmode.Otherwise,infullmanualmode,youwillactuallyhavetochangebothshutterspeedandaperturetogetacorrectexposure(nottoodarkortoobright)foreachoftheselastfourimages.3)Uploadyourphotostoyourflickraccount,andthenpostthemtoourflickrgroup.See“HowdoIshareaphotowithagroup”athttp://www.flickr.com/help/groups/4)Finally,visitourgrouppageoftentolookatandenjoyyourclassmatesphotos.Ifyoulikesomeone’sphoto,leavethemacommenttothateffect...itfeelsgreattogetconstructivefeedbackaboutyourphotosfromindividualswithsimilarinterests.Wecanalllearnfromeachotherbylookingat,understanding,andcommentingoneachother’swork.Happyshooting!