then point the lumisphere or light-receiving element in the required direction and hold the measurement button on the side of the light meter. This will cause the red needle to swing and settle in ...

you'll find the Sekonic Studio Deluxe III L-398A light meter, a leatherette pouch, strap, lumisphere, lumidisc, lumigrid and high slide. The light uses an amorphous photosensor to measure light ...