Sekonic LITEMASTER PRO L-478 Series - 5-2. Measuring in Flash Light Mode

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5-2. Measuring in Flash Light Mode
Flashilluminationislightthatisproducedbytheverybrieflightpulseofanelectronicash
unitorashbulb.Flashmeasurementisavailableinthefollowingmodes:
•
Cord(PC)FlashMode(PC/synchrocordconnected)
•
CordlessFlashMode
•
CordMultiple(Cumulative)FlashMode
•
CordlessMultiple(Cumulative)FlashMode
•
RadioFlashMode(forL-478DRSeriesonly)
•
RadioMulti(Cumulative)FlashMode(forL-478DRSeriesonly)
Alsosee4-3SettingMeasuringMode(P25)fordetailsonchangingMeasuringmode.
1. ScreenDisplayDetails
Whenashlightismeasured,f-stop(Ambient
brightness+Flashbrightness=total
exposure)isdisplayedonscreen.Theratioof
ashlighttothetotalexposureisdisplayed
atthattimeasapercentagein10%steps.
 Analogscaledisplaystherelationshipofboth
theambientcomponent(orangeline)and
ashcomponent(blue).
2. AbouttheAnalogScaleDetails
 TouchtheAnalogscaletotoggletheambient/ashcomponentratiodisplayONor
OFF.
3. FlashAnalyzingFunction
WhenmeasuringFlashlight,theshutterspeed
andf-stop(aperture)value,whichiscombining
ambientlightandashlight:totalamountof
light,aredisplayedontheLCDscreen.
 Ambientlightandashlightareeach
displayedasseparatevaluesalongwiththe
totalamountoflightontheanalogscale.
Inaddition,theratioofashlighttothetotal
amountoflightisdisplayedasapercentage(in
10%steps)atthesametime.Theratioofash
tothetotalamountoflightisusefulwhena
desiredashtoambientlightingratioisneeded.
 <Example>
 Asinthescreenontheright,ifshutterspeedis1/125sandISOsensitivityis400,
theashcomponentandtungstenlamplightwillbe50%each.Likewise,the
respectivemeasuringresultsintheAnalogScaleforashlight(blue)andAmbient
Light (orange) will denote this.
Setting
value
Percentage
of ash
Measuring screen
[Cord(PC)FlashMode]
Measuring value (f-stop)
Percentage
of Flash
Ambientcomponent
Flashcomponent
Measuring screen
(CordlessFlash
Mode Screen)