For customers in North and South America
OLYMPUS OPTICAL CO., LTD.
Customer support (Japanese language only):
Tel. 0426-42-7499 Tokyo
Safety Precautions
INSTRUCTIONS
For customers in USA
Declaration of Conformity
ENGLISH
Please read these instructions carefully before using your flash.
In order to obtain optimum performance and a longer service life from your new flash unit, please read
these instructions carefully. Always keep this leaflet in a readily accessible place for later reference. To
prevent potential hazards that could cause injury or damage to property, always pay close attention to
the important remarks indicated with the symbols and terms below.
Model Number
Trade Name
: FL-20
: OLYMPUS
OLYMPUS AMERICA INC.
Two Corporate Center Drive, Melville, NY 11747-3157, U.S.A.
Tel. 631-844-5000
Responsible Party : Olympus America Inc.
Address : 2 Corporate Center Drive, Melville, New York
11747-3157 U.S.A.
Cameras That the Flash
Can Be Attached to
Telephone Number : 1-631-844-5000
Technical Support (USA)
24/7 online automated help: http://support.olympusamerica.com/
Phone customer support: Tel. 1-888-553-4448 (Toll-free)
Tested To Comply With FCC Standards
FOR HOME OR OFFICE USE
This device complies with Part 15 of the FCC rules. Operation is
subject to the following two conditions:
(1) This device may not cause harmful interference.
(2) This device must accept any interference received, including
interference that may cause undesired operation.
ELECTRONIC
FLASH
Pay attention.
Ignoring this warning and using the unit incorrectly could result in death
Warning
or serious injury.
Prohibited.
Our phone customer support is available from 8 am to 10 pm (Monday
to Friday) ET
E-Mail: [email protected]
Olympus software updates can be obtained at:
Some functions available
are limited depending on
models of cameras even
manufactured by
Olympus.
Do not touch.
FL-20
Ignoring this warning and using the unit incorrectly could result in
serious injury.
Do not disassemble.
Caution
For customers in Canada
This Class B digital apparatus meets all requirements of the
Canadian Interference-Causing Equipment Regulations.
OLYMPUS OPTICAL CO. (EUROPA) GMBH.
Wendenstrasse 14-18, 20097 Hamburg, Germany
Tel. +49 (0)40-23 77 33
For customers in Europe
European Technical Customer Support:
or call NUMBER : 00800 - 67 10 83 0 (Toll-free)
“CE” mark indicates that this product complies with the
European requirements for safety, health, environment and
customer protection. “CE” mark flashes are intended for
sales in Europe.
VT455001
© 2003 OLYMPUS OPTICAL CO., LTD.
+49 (0)1805-67 10 83 or +49 (0)40-23 77 38 99 (Charged)
General Warnings
Specifications
Battery Warnings
Flash Warnings
If an internal component is exposed because the unit was dropped or otherwise damaged:
① Never touch the exposed component.
② Immediately remove the batteries, being careful not to expose yourself to electric shock, burn yourself, or
otherwise injure yourself,
③Send the unit to your camera store or Olympus service center. The unit contains a high-voltage circuit that
could cause electric shock, burn you, or otherwise injure you.
Do not try to disassemble, repair, or modify the unit. The unit contains a high-voltage circuit that may cause
electric shock, burn you, or otherwise injure you.
Do not activate the flash when your skin or other object is in contact with the flash reflector. Do not touch the
flash reflector after the flash has fired repeatedly. You may burn yourself.
Do not use the unit near flammable gas or substances (such as gasoline, benzine, or thinner). This can cause
explosion or fire.
If the unit is dropped in water, or if water, metal particulate, a flammable foreign object gets into the unit:
① Remove the batteries immediately.
② Send the unit to your camera store or Olympus service center. Using the unit in this condition may cause fire
or electric shock.
Guide number
Standard — GN20 (ISO100 m).
Flash modes
Do not point the flash at a driver or
rider of a vehicle (bicycle, automobile,
train, etc.) and fire the flash. This may
cause a traffic accident. Turn off the
flash or make sure the flash does not
fire before shooting this kind of
subject.
Do not fire the flash close to the eyes
of a human or animal. Eyesight may
be temporarily impaired.
BATTERIES MAY LEAK, GENERATE HEAT, IGNITE,
OR EXPLODE.
①TTL AUTO. ②AUTO. ③MANUAL.
・
GN66 (ISO100 ft).
・
Power supply
Do not use batteries not specified for this product.
Do not try to recharge non-rechargeable batteries.
Do not throw batteries into fire, expose them to excessive
heat, or short-circuit them.
Do not mix new and old batteries or different brands of
batteries.
With wide-angle converter — GN14 (ISO100 m).
・
・
AA alkaline batteries (LR6), lithium batteries (FR6),
nickel-manganese batteries (ZR6D), NiMH batteries,
NiCd batteries, x 2
GN46 (ISO100 ft).
Illumination angle
Standard — Covers the image angle of a 35 mm lens
(assuming the use of 35 mm film).
Dimensions & weight
W56 x H96 x D28 mm (2.2" x 1.1" x 3.8"), approx. 74 grams
With wide-angle converter — Covers the image angle
(2.6 oz) (excluding batteries)
of a 24 mm lens.
Color temperature
5500°K
Accessories
Wide panel, soft case
Do not place the batteries with the or terminals facing
the wrong direction.
Flash duration
• The values above are typical at normal temperature (20°C /
68°F). (The maximum number of flashes and required
charge time were measured at our in-house test conditions.)
Actual values may vary depending on the batteries used and
ambient temperatures.
Approx. 1/30000 to 1/1200 sec.: AUTO modes.
CHILDREN MAY SWALLOW BATTERIES.
Approx. 1/1200 sec.: MANUAL mode.
Keep batteries out of the reach of children. If a child swallows a
battery, contact a doctor immediately.
Maximum number of flashes
Approx. 250 times (when using two AA alkaline
batteries (LR6))
Required charge time
Approx. 0.5 to 5.0 sec. (when using two AA alkaline
batteries (LR6))
Do not wet the unit or touch the unit with wet hands. This could cause electric shock.
Design and specifications are subject to change
without any notice or obligation on the part of the
manufacturer.
Names of Parts/Attaching the Wide Panel
Loading Batteries/Test Flashing
Mounting the Flash on the Camera
Mounting the Flash on a Hot Shoe
ᕡ
Slide the flash all
the way into the
hot shoe.
Turn the shoe
lock dial to secure
the flash in place.
ᕡ
（Front） Flash tube
ᕢ
Photoelectric sensor window
Shoe lock dial
ᕣ
ᕢ
ᕡ
ᕢ
ᕤ
（Rear） TEST button
ᕡ
ᕥ
Battery compartment cover
AUTO CHECK lamp:
Blinks when flashing light intensity is optimum.
ᕦ
ᕢ
If the camera is equipped with a If the camera is equipped with an You cannot use the FL-20 flash if
hot shoe, mount the flash directly external flash terminal, mount the the camera is not equipped with a
Batteries
ᕧ
ᕨ
ᕩ
µ
CHARGE lamp
Mode dial (Power/Mode switch)
Exposure table
Insert two “AA”-size alkaline batteries, lithium
batteries, nickel-manganese batteries, NiMH
batteries or NiCd batteries as shown in the
illustration.
Note that “AA”-size manganese (zinc-carbon)
batteries cannot be used.
on the hot shoe.
flash using the flash bracket and hot shoe or external flash terminal.
bracket cable.
Wide panel
The wide panel covers an angle equivalent to a 24 mm
wide-angle lens assuming the use of a 35 mm film.
The following lamps indicate the flash status.
Indicator Lamps
ᕡ
ᕢ
Set the Mode dial to AUTO.
Communication errors
CHARGE lamp
OFF
ON
Regular blinking
When the CHARGE lamp lights up, press the TEST
button and confirm flashing.
When the FL-20 mode is; TTL AUTO: Error communicating with the camera.
(The camera is OFF, set to the wrong mode, etc.)
OFF
Under charge
Charge completed
Communication error
Low battery warning
AUTO CHECK
lamp
The CHARGE lamp blinks when the camera’s LCD monitor is turned off on the following models
(as of January, 2003): C-4000ZOOM, C-4040ZOOM, C-3000ZOOM, C-3040ZOOM, C-2040ZOOM.
Blinking
Optimum light intensity
<Flash must be connected to the camera through a hot shoe or 5-pin external flash terminal>
TTL AUTO Operation
AUTO Operation
MANUAL Operation
The AUTO CHECK lamp will blink when the flash illumination reaches optimum intensity. If the
AUTO CHECK lamp does not blink, move closer to the subject or reduce the camera’s aperture.
The AUTO CHECK lamp does not blink on the following models (as of January, 2003):
C-4000ZOOM, C-4040ZOOM, C-3000ZOOM, C-3040ZOOM, C-2040ZOOM
The flash emits light at the maximum intensity.
The AUTO CHECK lamp does not blink in this
mode.
Camera’s ISO speeds and apertures
ISO speed
Aperture
Optimum shooting ranges
100
200
400
800
2.8
4
Camera aperture numbers and applicable shooting ranges
f-stop
GN 1.4
2
2.8
4
5.6
8
11 16
ISO speed
100
f-stop
1.4
2.0 – 14 1.4 – 10 1.0 – 7.1 1.0 – 5.0 1.0 – 3.5 1.0 – 2.5 1.0 – 1.8 1.0 – 1.3
ft 6.6 – 45.9 4.6 – 32.8 3.3 – 23.3 3.3 – 16.4 3.3 – 11.5 3.3 – 8.2 3.3 – 5.9 3.3 – 4.3
2.8 – 20 2.0 – 14 1.4 – 10 1.0 – 7.0 1.0 – 4.9 1.0 – 3.5 1.0 – 2.5 1.0 – 1.8
2
2.8
4
5.6
8
11
16
ISO speed
m
ft
14 10 7.1 5.0 3.5 2.5 1.8 1.3
45.9 32.8 23.3 16.4 11.5 8.2 5.9 4.3
20 14 10 7.0 4.9 3.5 2.5 1.8
65.6 46.0 32.8 23.0 16.1 11.5 8.2 5.9
28 20 14 10 7.1 5.0 3.5 2.5
91.8 65.6 45.9 32.8 23.3 16.4 11.5 8.2
40 29 20 14 10 7.1 5.0 3.6
131.1 95.1 65.6 45.9 32.8 23.3 16.4 11.8
5.6
8
20
28
40
57
m
100
m
ft
Set the FL-20’s Mode dial to AUTO, set the camera’s
MODE DIAL to and adjust the camera’s aperture.
The aperture setting varies depending on the ISO
speed set to the camera (see table).
In the AUTO mode, the flash adjusts the light
intensity automatically regardless of the distance to
the subject.
The AUTO CHECK lamp will blink when the flash
illumination reaches optimum intensity. If the AUTO
CHECK lamp does not blink, move closer to the
subject.
Set the FL-20’s Mode dial to TTL AUTO and set the
Set the FL-20’s Mode dial to MANUAL, set the
200
400
800
m
Effective flash distance:
1 to 7.1 m / 3.3 to 23.3 ft
(0.7 to 4.9 meters / 2.3 to 16.4 ft
when the wide panel is used)
200
400
800
camera’s MODE DIAL to or
.
camera’s MODE DIAL to
and adjust the
ft 9.2 – 65.6 6.6 – 45.9 4.6 – 32.8 3.3 – 23.0 3.3 – 16.1 3.3 – 11.5 3.3 – 8.2
3.3 – 5.9
m
ft
camera’s ISO speed, aperture and shutter speed.
In the TTL AUTO mode, the flash adjusts the light
intensity automatically according to changes in the
camera’s aperture. (TTL AUTO mode operation
requires that the camera’s mode is set as shown in
the above illustration.)
If the camera is not set correctly, the CHARGE lamp
blinks.
m
4.0 – 28 2.8 – 20 2.0 – 14 1.4 – 10 1.0 – 7.1 1.0 – 5.0 1.0 – 3.5 1.0 – 2.5
ft 13.1 – 91.8 9.2 – 65.6 6.6 – 45.9 4.6 – 32.8 3.3 – 23.3 3.3 – 16.4 3.3 – 11.5
3.3 – 8.2
m
ft
Aperture calculation formula (ISO 100)
m
5.6 – 40 4.0 – 29 2.8 – 20 2.0 – 14 1.4 – 10 1.0 – 7.1 1.0 – 5.0 1.0 – 3.6
The above distances may become shorter
with some models.
Aperture (F) = Guide Number (GN)/Range (in meters)
ft 18.4 –131.1 13.1 – 95.1 9.2 – 65.6 6.6 – 45.9 4.6 – 32.8 3.3 – 23.3 3.3 –16.4 3.3 –11.8
When the wide panel is used, use the approx. 0.7X distances
shownabove as reference.
The above distances may become shorter with some models.
When the wide panel is used, use the approx. 0.7X distances shownabove as reference.
The above distances may become shorter with some models.
Printed in Japan
0103 2MJ
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