Sekonic L-358 Manuel d'utilisateur télécharger pdf (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

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Sekonic L-358 Manuel d'utilisateur Page 18