Sekonic L-508 CINE ZOOM MASTER Manuel d'instructions télécharger pdf (Page 13)

6. Advanced Functions

4. Turn the main lighting off. Now, point the Lumisphere

toward the secondary light source. While the

Measuring button 19

is depressed and held down,

the indicated difference between the main and

auxiliary light sources is displayed in EV values and

in bars in analog scale of memory value. A lighting

ratio (contrast ratio) can be found in the scale below.

Reference:

• To determine exposure after adjusting lights, turn both main and auxiliary light sources

on, raise the Lumisphere to the UP position, then take a reading along the camera light

axis.

6. Advanced Functions

4. How to use the L508 as an Incident Illuminance (LUX) meter

1. Turn the Lumisphere UP/DOWN ring 1 to lower it to

the DOWN position.

3. Set the meter to EV mode (DIP switch) and ISO 100.

4. Place meter parallel to the subject and take a

measurement.

5. Convert the measured EV with a conversion table or

calculation formula to find the brightness level.

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Sekonic L-508 CINE ZOOM MASTER Manuel d'instructions Page 13