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Bower SFD35 Digital Flash for Cameras User Manual

Sfd35, Perating, Nstruction

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Dual Autofocus Flashgun

SFD35

1

for Canon

BL/STD

for Nikon

2

F/stop

Maximum Effective TTL Range (ISO 100)

F2.0

17m / 56ft

F2.8

12m / 40ft

F4.0

8.5m / 28ft

F5.6

6.0m / 20ft

F8.0

4.3m / 14ft

3

NOMENCLATURE

1. 4 position Zoom Head 10. Flash Test Button
2. Fresnel lens 11. ISO/Zoom Head Setting Window
3. AF illuminator beam 12. Power On Indicator
4. Bounce Head Scale 13. Ready Lamp
5. ISO Setting knob 14. Green Auto Check Lamp
6. Battery Compartment Lid 15. ON/OFF Switch
7. Locking Ring / 16. E-TTL Indicator

(For Canon)

Release Button

(For Sony)

Flash Mode Switch

(for Nikon)

8. Hot Shoe Foot 17. Vertical Bounce Flash Head
9. Exposure/Distance Table 18. Horizontal Swivel Pivot

PRECAUTIONS

Before you start to operate the flash unit, please read the following

caution to prevent possible damages.

1. This flash unit can only be used on the camera brand according

to the dedicated mounting which is designed for.

2. Any attempt to dismantle the flash will result in possible electric

shocks or burns. If the outer casing is cracked or flash unit is

faulty, please return to the authorized dealer for repairs by

authorized personnel.

3. Do not attempt to trigger the flash close to eyes.Keep at least

1m/3.3ft when taking flash photography.

4. When the flash unit is not used for extended period of time (more

than 2 weeks), remove all batteries to prevent battery leakage.

5. Try to charge fully and fire the flash several times in a month to

ensure that the electronic circuitry as well as the capacitor is kept

in a tip-top condition.

6. During battery replacement, replace all 4 batteries of the same

type at the same time.

7. Flash unit s hould be kept dry at all times as it is not either

waterproof or weatherproof. Often it impractical to repair/replace

components damaged by water.

8. Care must be taken as this flash unit is a precise equipment. Any

accident knocks or drop may result in permanent damage to the

circuitry and components which may not be feasible to undergo repairs.

9. Always store the flash unit in a cool dry place, away from heat or

direct sunlight. Never store the flash in a drawer or upboard containing

naphthalene or camphor (moth balls) as these will have a negative

effects on the circuitry of the flash unit.

10. Do not use a thinner, benzene or other cleaning agents to remove
dirt or fingerprint from the unit. Use a soft, moistened cloth instead.

INSTALLING THE BATTERIES

Ensure that the ON/OFF switch (15) is in the OFF position. Slide the
battery compartment Lid (6) toward the front of the flash and flip up
until the battery chamber is fully exposed. Insert 4 AA sized batteries
according to the battery polarity indication as shown inside the battery
chamber. Close the battery compartment lid (6) by pushing it down
while sliding towards the back of the flash.

MOUNTING THE FLASH ON THE CAMERA

Ensure that ON/OFF (15) switch is at the OFF position. Slide
the Hotshoe Foot (8) onto the camera’s hotshoe and fasten the
locking ring (7) in an anti-clockwise motion. To detach the flash
unit, turn the locking ring (7) in a clockwise motion unitl it stops.

For Sony Alpha DSLR, ensure that the camera’s hotshoe is fully
push in until the Release button (7) pop up. To detach the flash
unit, depress the release button (7) and at the same time pull the
flash unit from the camera’s hotshoe.

Note: Ensure camera inbuilt flash is at the ‘close’ position Grasp the bottom of

the flash to prevent damage to the hotshoe foot (8) and camera hotshoe

OPERATING THE FLASH

Slide the ON/OFF switch to the left and wait for a humming sound
to be heard (occur when the flash is switch on). When the ready
lamp(13) located the back of the flash light up, the flash is ready to
fire. Pressing the flash test button (10) will fire the flash to insure
its operation.

AUTO STANDBY SYSTEM

To conserve battery power, the flash unit will automatically turn
to standby mode when the flash is not used for approximate 3
minutes. To on the flash again, either press the flash test button
(10) or switch off and on again using the ON/OFF switch. When
the flash is not in use for extended period of time, slide the
ON/OFF switch to the off position.

EXPOSURE/DISTANCE TABLE*

This is a guide table showing the maximum effective range based

on different combination of ISO, zoom lens and aperture setting.
Base on the ISO window (11), setting the ISO setting knob

(5) according to the ISO and zoom head position will show

the maximum effective TTL range of the flash unit.
For example, at ISO 100 set at zoom position 50mm, the

effective TTL range, according to 5 different F/stop setting is

listed out as follows:

*For Canon and Nikon only

USING THE AUTO CHECK LAMP

The green auto check lamp (14) located at the back of the flash
is used to ensure that your subject is within the effective TTL
range of the flash unit. When the ready lamp (13) is on, press
the camera shutter release button to fire the flash. If your
subject is within the effective TTL range, the green auto check
lamp will illuminate for approximate 2 seconds indicating correct
flash exposure has been obtained. f the green auto check lamp
does not illuminate, it meant that the subject is not within the
effective range. In this situation, move closer to the subject
and try again.

O

PERATING

I

NSTRUCTION

M

ANUAL

On

Ok

ON/OFF

Digital

Autofocus

for Sony

Dedicated System

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