Sekonic L-758DR User Manual

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5.  Measurement

Measuring ambient light
In this measurement mode, we have the choice of shutter priority mode, aperture priority mode or
EV mode. Hold down the Mode button 

⑩

 and turn the Jog wheel 

⑤

 to select ambient measurement

mode 

.

1.

Hold down the Mode button 

⑩

 and turn the Jog

wheel 

⑤

 to select Shutter Speed Priority mode

.

2.

Turn the Jog wheel to set the desired shutter
speed.

3.

Press the Measuring button 

⑭

 to take a

measurement.  Release the Measuring button to
complete the measurement.  The measured value
(aperture value) at that time will be displayed.

While pressing the Measuring button, the meter
measures continuously until it is released.

Reference:

 • It is possible to switch between full, 1/2 and 1/3 shutter speeds with custom setting

(see page 36).

 • You can set shutter speeds from 30 minutes to 1/8000 seconds.  After 1/8000 the shutter

speeds of 1/200 and 1/400 can be set.

 • After taking a measurement, the F stop value corresponding to the shutter speed is

displayed. The measured F stop value automatically corresponds to the shutter speed
if the shutter speed is changed by rotating Jog wheel.

 • The L-758DR/758D displays the measured aperture value in either full or 1/3 stop

increments on the analog scale from f/0.7 to 90, while L-758 CINE displays it in either
full or 1/3 stop increments on the analog scale from F0.5 to F64.

 • You can select aperture scale or EV scale by holding MODE button and pressing AVE.

/ 

⊿

EV.

Measured f stop
value

1/10
f stop

Set
shutter speed

Measured f stop(blinking)