45
ExtFlash
Idealforanyunderwaterdepthusingoneortwoexternalash
accessories,orcombinationexternalashandphoto-videolight.
Thecameraautomaticallyadjustsexposureandinternalashalways
restotriggertheexternalashviaopticalcableconnection.The
whitebalancecolorsettingislockedtomatchthecolortemperature
typicalforunderwaterashesresultinginnaturalcolors.
Thecamerawilluseminimum1/60shutterspeedtopreventmotion
blurandminimumF4.0aperturetopreventover-exposingthesubject.
Toachievedesiredexposure,adjustthebrightnessoftheexternalash
and/orchangethecamera’sEVcompensationsetting.
ExtLight
Idealforanyunderwaterdepthusingoneormorephoto-videolights.
Thecameraautomaticallyadjustsexposure.Thedefaultwhitebalance
settingisAuto,butthatmaybechangedtoanyotherwhitebalance
settingtomatchthecolortemperatureofthelightsource.DaylightWB
isrecommendedformostphoto-videolights.
Whenshootingbeyondtheeffectiverangeofthephoto-videolight,it
isrecommendedtouseoneofthe3underwaterwhitebalancesetting
options.Seepage50formoredetailsaboutunderwaterwhitebalance
Using Aperture Priority Mode - A
Thismodeallowsyoutoadjusttheaperturewhilethecameraautomaticallyadjustsshutterspeedto
achieveproperexposure.Usingalargeraperture,likeF1.8,allowsmorelighttoenterthelensand
willproduceanarrowdepth-of-eld,idealforshootingclose-upswithasharpforegroundandout-
of-focusbackground.Asmalleraperture,likeF11,allowslesslighttoenterthelensandproducesa
widedepth-of-eld,idealforproducingsharpforegroundandbackgroundinbrightlightconditions.
AperturePrioritymodemaybeusedforcapturingunderwaterpictures,however,itwillbenecessary
tochangethefollowingsettings:
WhenusingAperturePrioritywithoneortwoexternalashaccessories,orcombinationexternalash
andphoto-videolight,turnashsettingtoForcedON.Youwillneedtosynchronizeyourexternal
ashwiththecamera’sinternalashbecausetheinternalashusesapre-ashwhenring.
WhenusingAperturePrioritywithoutexternallighting,changewhitebalancesettingtoBlueWater
Deep,BlueWaterShalloworGreenwateraccordingtowaterconditionsanddepth.
TosetAperturevalues:
1. TurntheModedialto“A” for Aperture Priority.
2. PushOK buttontoenterAdjustmentmode,then,
useUp/Down buttontoselectthedesiredaperture
value.
3. FullypushtheShutter buttontocapturetheimage.