Sunpak GX24 User manual

SUNPAK
Ex24 ^urtrz4
EX24,
^urtr24e
f;,4 (u'' ,i/'
Instructionsforuse

Specif
ications GX24 GX24B AUTO24 AUTO24B
Guide
number
For
DIN18
(ASA
50) inmeter
infeet 17
56 17 56 17 56 17
56
Flashduration 1
/1
50O
sec. 1/1500
- 1/500OO
sec.
Recyclingtime
(Flash
capacity)
Zinc carbon batteries 4-7sec.(60) 4-7sec.(60)
M
anganesealkaline batteries 6-8sec.e4O-260) 6-8sec.
(24O-2601
Nicadrechargeablebatteries 3-5sec.(130-150) 3-5sec.
(130-
150)
AC 5-7sec. 5-7sec.
Colourtemperature 560OoK
(Daylight)
l
rl I
Colour
temperatur" I 560OoK
(Daylight) |
I
I
I
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Specifications GX24 GX248, AUTO
24 AUTO24B
Power
Source
Four
penlite
batteriesor
A.C.
(100-
12OV
or
200 - 240v
DualVoltage)
Four penlite
batteries Four
penlite
batteries
or
A.C.
(100-
12OV
or
200
-240v
DualVoltage)
Four penlite
batteries
Working
aperture
for computer :peration
and
distance
range
with computer
JiJeration
Blue:
f4 for,ASA
50
(DtN18)
0.5-4.3m
(1.6-1
4 feetl
Red: f8 forASA
50
(DlN18)
O.5-2.2m
('l
.6-7.2teetl
Light covering
angle Vertical
position:Covers
theformat of 35mm wide lens.
Horizontal
position:Covers
theformat of 2gmm wide lens.

.," 11,::,r:
InsertBatteries.
Battery Operation
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Move the power switch to the right so
that the red
panel
is
exposed.
After a few seconds
the neon lamo will
start
to gloW

3+1
00- 120v
200-240v
For AC operationfollow the instructions
as
illustratedby fig.1.2.3.
AC Operation
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,[email protected]',
A.C.l
OO
sr^
|
20v A.C.2
0
0
:^24ov When you use
the unit with 1OO_120V
AC, remove
the philippsscrew
from the
AC adaptor
andshift the voltage
selector
switchto the 100-120V position.
NB Be sure to set the AC voltage
selectorto match the AC voltageto
be used.
lf this is
not done,
the unit
will be
damaged.

Sliding into hot-shoe
lf your camera has a centre contact,
slide the hot shoe of the unit into the
cameratop as illustrated.
Make
surethat
the tip of the P.C.
cord is inserted
into
the P.C. synchro cord receptacleof the
unit.
3 Attaching FlashUnit to Camera
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Connection of f lash synchro cord
lf your camera
does not have a centre
contact, insert the tip of your p.C.
synchro cord into "X" setting of your
camera.

When the neon lamp glows, touch the
tip of the P.C. synchro cord on the metal
pole located behind the vuivel shoe, as
illustrated.The unit will then flash.
4 FhshTest
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Coversthe format of 35mm wide tens
Covercthe format of
28mm wide lens
The unit is providedwith a lBOo
sarivel
shoe which can rotate the unit 180o.
You can set the unit in any of three
positions
as
i
I
lustrated.
Verticalposition: Covers th'e format
of 35mm wide lens
Horizontalposition: Covers the format
of 2Bmm wide lens
5 18o"
swivel
shoe
and
Light
covering
Angle

t5
I.t
A
a
F)
-'d DETERMING
THECORRECTF STOP
How
to use GuideNumber
Dial
lf you areusinga film of ASA 50 (DlN
1B)speed,matchthe triangleon the disc
to the ASA 50 (DlN 18) film speed
index on the inner dial (Fig. shows
adjustment for ASA 50/DlN 18 film
speed).On the outer disc,the distance
is
indicated,and on the opposite
side,the
F stop is indicated. The correct F stop
for the desired
distancebetweenthe unit
and subject can now be read.The F stop
value should be set for your camera
aperTUre.
ir
How to Use
GuideNumber
Dial
(eXZ+ GX24e)
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20feet
1
GXz4
..
,;i
:'
.,1i':
:
.
Handleafter the Figure
\ l-2_.,3-*4
lf you areusing
a film of ASA 50 (DlN
1B)speed,and the distance
between
the
unit and the subject is 6m (approx. 20
feet), then the correct F stop is
f
2.8.Set
f2.Bf
or your camera
aperture.
7 Example(GX2+
GX24e)

The revolutionary
Sunpak
Auto computer-
isedelectronicflashunit issoversatilethat
its performance is equivalent to that of
any other threeflash unitscombined.
The
SunpakAuto is equipped
with two option-
al Light Sensor Apertures.
Instructionsfor operation of the
follow.
lf you are using a camera with
matic system, set the system for
operation next page.
Computer operataon
- Part 1.
(Bluesquare)
Referto page 15-16
Light sensor
switch
sensors
a Flash-
manuaj LightSensor
Computer operation - Part 2.
(Red square)
Referto page
17-18
Manual operation (Whitedot)
Refer to page 19-20
- 13
-
AUTO24AUTO24e
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Light intenrity
computing contor
+
Control s€ction
+
Bypass tube
.r-()\\
-rJ 5 \'r\
Bypars tubs over
licht out{ut controlling
LIGHT
SENSOR
The light sensor
usedin the SunpakAuto flash
unit stops the flash tube firing when the
intensity of light emitted from the flash unit
and the light reflectedfrom the subject
being
photographed
match the conditionsfor correct
exposure.
The light sensor
measures
the intensity of light
reflected from the subject after the flash fires
and automatically
controls the flash light in-
tensity. The light sensor
serves,
accordingly,
as
acontrol
centerf
or the intensity.
Inaddition
to
the light sensor,the flash unit isprovided
with
a control section
which signals
theflashtube to
stop firing and a current bypass tube con-
trolling
the surplus.
Light intensity curve
of the flash unit
Light Sensor (Transmitting
signal to the bypass tube)
Distanceto subiect. - 14
-

Rg_l-.
o
t{^us
f*- *!r,
i-n't "1 O.5-4.3m
19inch-14feet
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Deciding
thgaperturewith computer
Computerised photography - Part 1 (Blue square)
* When you want a distracting background to be out of focus.
* When you want the subject only to be sharp.
1. Move the light sensorswitch to the bluesquarelocatedon thefront cover
and
automaticdistance
correction isset.
2. Match the silvertriangleon the guide number dial to the film speed
you use.
The distancescoveredby the blue semi-circle
are
the effectivedistances
- 0.5
to 4.3 meters
(1.6-14
feet) - and thecorrect f-stop
for automatic
operation
is
shown on the referenceblock of innerdial oppositethe upperend of the blue
semi-circleof outer dial. (Refer to the table
given
belowfor the correct
f-stop
to usefor variousfilm speeds.)
EXAMPLE
3. Pictures
can now be taken
at any distancebetween
0.5and4.3 meters
(1.6-14
feet) without any re-adjustmentof the camera aperture, thanks to the
programming
systemof the new
Sunpak
Auto.
EXAMPLE: When you are usingASA 50 (DlN 1B) film, the correctf-stopof
your camerais
,4.
Shooting
range
is0.5-4.3
meters
(1.6-14
feet)for
Bluesquare.
Refer
to page 15,illustratedits
procedures.
_ 16 _
Film speed ASA 400 320 250 200 160 125 100 BO 64 50 32 25
DIN 27 26 25 24 23 22 21 20 19 18 15
16
F-stop 11 B8 8 8 5.65.65.6 442.8 2.8

i:rle\
O.5-2.2m
19inch-7feet
Redsquare
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f
IComputerisedPhotography - Pafi2 (Red square)
i When you want sharplydefined picturesof both subjectand background.
1. Move the light sensor slvitch to the red square and automatic distance
correction is
set.
2. Match the silv'er
triangle on the guide number dial to the film speed
you use.
Thedistancescovered by the red semi-circle
arethe effective distance
- 0.5 to
2.2 meters f .6-7.2 feet) - and the correct f-stop for automatic operation is
shown on the referenceblock of inner dial opposite the upper end of the red
semicircle of outer dial. (Refer to the table
given
belowfor the correctf-stop
to use for variousfilm speeds.)
EXAMPLE
3. Pictures
cannow betaken
at any distance
between0.5and2.2metersn.6-7.2
feet) without any readjustment of the camera
aperture.
EXAMPLE: when you are usingAsA 50 (DlN 1B) film, the correct f-stop of
your camera is B. Shooting range
is 0.5-2.2 meters fi.G-7.2 feetl
Refer
to page lT,illustrated
its
procedures.
Film speed ASA 400 320 250 200 160 125 100 80 64 50 32 25
DIN 27 26 25 24 23 22 21 20 19 18 16 15
F-stop 22 16 16 16 16 11 1't 11 885.6 5.6