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2) GentlypushtheO-ringdownintothegroove.TheO-ringshouldbeevenlyseatedinthegroove.
3) ClosethehousingdoortormlyseatO-ringandopenhousingagaintoinspectthatO-ringis
completelyseatedintogroove.Becarefulthattherearenoobstructions,likethewriststrap,
trappedbetweenthehousingdoorandO-ring.
GreatUnderwaterPicturesMadeEasy
Therearemanydifferencesbetweentakingpicturesunderwatercomparedtotakingpicturesonland.
Thefollowingaresomehelpfultipsontakinggreatpicturesunderwater.
Crystal Clear water
CrystalClearwaterisessentialfortakinggreatunderwaterpictures.Tinyparticlessuspendedinthe
watercauselowvisibilityanddiminishespicturequality.Limityourshootingdistanceto1/10ofthe
watervisibility.Forexample,ifthevisibilityis40feet(12m),keepyourshootingdistancetowithin4
feet(1.2m).Avoidstirringuptheseaoorwithyourns.
WhenusingaSeaDragonFlashand/orphoto-videolightingaccessoryinlowvisibilitywater,these
suspendedparticlesmaycausesmallspotstoappearinyourpicture(knownas“backscatter”).
Backscattercanbeminimizedbymovingtheashheadorlightheadfartherawayfromthecamera
lens.Whenusingthecamera’sonboardash,keepyourshootingdistancewithin4”to12”(10to
30cm)
Stay close to the subject
Theidealshootingdistanceforsharpcolorfulpicturesiswithin6ft(2m)shootingdistance,andcloser
isbetter.Thelesswaterthereisbetweenyouandthesubject,thebetterthepictureresults.When
usinganexternalashorphoto-videolightingaccessory,keepinmindthatlightdoesnottravelvery
farunderwater,sothecloseryouaretoyoursubjectthemorecolorfulthepictureswillbe.