Operation Manual

9.2
Using your L-408 as an illuminance meter
@ Set your L-408 to the incident light and ambient light metering mode, and select
@
the IS0 100 and EV display (turn off exposure index correction
).
Set the lumisphere to the DOWN position, hold the L-408 parallel to the subject,
and start metering.
@ Determine the brightness level using the following conversion table or by
calculation.
I?
EV-to-Lux conversion table
Display example: EV9 2‘:
_
@ Calculation
Brightness level (Lx)
=
2.5x2
EV
=
2.5x2
9.4
=
2.5x724
= Approx. 1800
Lx
9.3
Using your L-408 as a luminance meter
(0
Set your L-408 to the reflected light and ambient light metering mode, and select
the IS0 100 and EV display (turn off exposure index correction ).
Q; Measure the object using the viewfinder.
i-3;)
Determine the luminance level using the foliowing conversion table or by
calculation.
ti
EV-to-cd/m
2
conversion table
Display example: EV9
21:
_
a
t-$Cl
the
conversion
@ Calculation
Luminance level (cd/m
2
) = 0.125x2
EV
= 0.125x2
4.5
= 0.125x724
= Approx. 90 cd/m
2
21