Operation Manual

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2. Turn any secondary light source off. Point the

Lumisphere toward the main light source, from the

position of the subject and take a measurement. Press

the Memory button u and store the value in memory.

3. Press the AVE./ ∆ EV button r and display the “A”mark

on the LCD indicating a standard value.

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

toward the secondary light source. While the Measuring

button !4 is depressed and held down, the indicated

difference between the main and auxiliary light sources

is displayed in EV values. At the same time, the

standard value and a new measured value are

displayed on the analog scale.

5. Standard value can be cleared by pressing the Memory clear button @3 , or AVE./ ∆ EV button.

Reference:

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

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

light axis in incident light.

• This function can also be used for reflected light.

2 : 1

3 : 1

4 : 1

8 : 1

16 : 1

EV difference of ∆ EV value

Contrast ratio

1.5

6. Advanced Functions

Memorized

f stop value

Set shutter speed

Difference

in EV

f stop value

being measured

Now on reading

AVE./∆EV