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TTL Eff ective Range
When the subject is within the TTL
eff ective range, the selected EV ad-
justment indicator lights for about 3
seconds after fi ring. If the indicator
does not come on, approach the subject or open up the aperture (decrease the f-
number) and retry shooting. Changing the ISO speed to a higher sensitivity (higher
value) can also be helpful.
* The eff ective TTL range is shorter than usual immediately after the READY lamp
comes on.
If the Picture is Too Bright or Too Dark
The EF-20 has an EV ADJUST button for fi ne adjust-
ment of the brightness level.
Use this button to adjust the brightness to obtain a
satisfactory eff ect in the following cases.
★ When satisfactory brightness cannot be obtained
during daylight sync fl ashing (in outdoor shoot-
ing under sunlight, the strobe light can be used as an auxiliary light source to
minimize shadows on the subject formed by the sun) or shooting against light.
★ When you want to take several pictures by varying the brightness.
★ When the brightness is insuffi cient in bounce lighting.
First, shoot a picture in standard auto mode (when the EV adjustment indicator is
lit) and check it on the monitor. If you fi nd that the brightness is too high or low,
press the EV ADJUST button to fi ne adjust the brightness and take another picture.
If the picture is darker than expected, press the EV ADJUST button once to increase
the EV by one step so that the red “+0.5” EV adjustment indicator lights up. In this
condition, the unit emits light by increasing the brightness by +0.5 EV. After shoot-
ing, check the picture on the monitor again. If the brightness is still insuffi cient, press
the button again so that the “+1” EV adjustment indicator lights up and retry shoot-
ing.
If the picture is too bright, press the EV ADJUST button to change the lighting EV
adjustment indicator in the “-“ direction until the desired brightness is obtained.
The adjustment with the ED ADJUST button is invalid when no EV adjustment indica-
tor is lit (i.e. when the TTL auto brightness adjustment is not activated). Make sure
that one of the EV adjustment indicators is lit before pressing the EV ADJUST button.
To exit from the EV adjustment mode, press the EV ADJUST button again. Alterna-
tively, the EV adjustment mode can also be exited by pressing the POWER switch to
OFF then ON again.
Bounce Lighting
The light-emitting section of the EF-20 can be pointed upward for bounce light-
ing.
If the fl ash is fi red by pointing the light-emitting section directly at the subject, the
picture may look unnatural due to a strong shadow produced behind the subject
under certain conditions. In such a case, pointing the light-emitting section to the
ceiling may make it possible to take beautiful pictures with softer, more natural
shadows.
The brightness of bounce lighting may sometimes be insuffi cient depending
on the distance of the ceiling (wall) surface where the light is refl ected. In this
case, press the EV ADJUST button to adjust the EV value in the positive direction,
position the AF frame in the viewfi nder on the subject and half-press the shut-
ter release button. Confi rm that the “N” mark is visible in the viewfi nder and that
the shutter speed and f-stop are correct before fully pressing the shutter release
button.