Sekonic L-358 - Manual (Page 18)

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1-4 Cinematography
1. Hold down the Mode set button !0 and turn the Jog wheel
t to select ambient light shutter speed priority mode
.
2. Turn the Jog wheel t to select the Cine Speed for the
camera that will be used. Cine Speed are displayed after
1/8000, 1/200, 1/400 and the unit is in frames per second
(f/s). The following Cine Speeds will display:
2, 3, 4, 6, 8, 12, 16, 18, 24, 25, 30, 32, 36, 40, 48, 50, 60,
64, 72, 96, 120, 128, 150, 200, 240, 256, 300 and 360
f/s.
3. The shutter angle that these speeds are based on, is
180 degrees. For other angles make the following ISO
film speed corrections.
5. Measurement
Example of correction value
-1/3: Decrease ISO film speed by 1/3 stop, example: ISO 100 -1/3 stop = ISO 80
+1/3: Increase ISO film speed by 1/3 stop, example: ISO 100 +1/3 stop = ISO 125
4. Press the Measuring button !5 to make a measure-
ment. Release the Measuring button to complete
the measurement. The measured value (f stop
value) will be displayed.
While pressing the measuring button, the meter
measures continuously until it is released.
Reference:
The measured aperture value is displayed either full or half stop increments on the analog
scale.(1/3 stop increments is not possible.)
Set shutter speed
Measured f stop on analog display
Measured f stop value
1/10
f stop
Shutter open angle
Amount of ISO film
speed correction
160 degrees -1/3
220 degrees +1/3
MODE
MODE