hanimex bx550 flash

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HAI\IIMEX

ADJUSTABLE BOUNCE THYRISTOR COMPUTOR

INSTRUCTI(IN B(l(lKv,:c. .. dirb, -. ..r .t ;..


PARTS DESCRIPT]ON

3 P O S I T I O N S W I T C H

P . C . C O R D S O C K E T

E D F L A S H W I N D O W

R Y C O M P A R T M E N T

F L A S H S H O E B A S E

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PARTS DESCRIPTION

A N G L E O F F L A S H A D J U S T I N G K N O B

, , R E A D Y " I N D I C A T O R A N D T E S T B U T T O N

F L A S H G U I D E D I A L S C A L E

F L A S H H O T S H O E B A S E

, , O N - O F F " S W I T C H


SPECI FICATIONS Guide Number:

Colour Temperature:Fie ld Coverage:

Angle of Coverage:F lash Dura t ion :

50 (Ft. at ASA 25l, or30 ( Metres at ASA 100 )Day l i gh t (5700 ' Ke lv in )F8 se t t i ng 2 -12 f t (100 ASA)F4 set t ing 4-25t t (100 ASA)Hor izontal 65", Vert ical 45"111000 sec - Manua l se t t i ng1/30000 - 1/1000 sec. Auto set t ing


Recycl ing Time: 10 sec Manual set t ing0.5- 1 O sec Auto set t ing

Power Source: 4 x 1,5 V Penl ight ( AA s ize ) bat ter iesBattery L i fe: 40 f lashes - Manual set t ing

4o-5oo flashes - Auto setting (Regular battery)

120 f lashes - Manual set t ing120-1200 f tashes - Auto set t ing

(Alkal ine bat tery)

D imens ions : 137mm x 77mm x 47mmWeight : 240 grams (wi thout bat tery)

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BATTERY INSTALLATION

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push the bat tery t id wi th a f inger in d i rect ion of engraved arrow (Red arrow in Fig ' 1) unt i l

res istance is fe l t ( i .e. only Zmmi. Using a thumb or f inger of the other hand swing the hinged

l id open. Insert four penl ight (AA size) bat ter ies taking care that posi t ive and negat ive

terminals are correct ly a l igned as indicated in the compartment ' Press the l id f i rmly unt i l i t

snaps c losed.

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BATTERY INSTALLATION

Alkal ine bat ter ies are recommended because of their longer l i fe and endurance to a widertemperature range. Moreover, their s t rength is far super ior to that of convent ional z inc-carbonbatter ies and th is powerf u l f lashuni t understandably requires considerable energy.

The thyr is tor c i rcui t ry is power-saving and does al low qui te a number of f lashes to be madefrom a s ingle charge wi th microscopic intervals between f lashes.

N.B. Clean the bat tery and compartment contacts at regular intervals. Remove the bat ter iesi f the uni t is l ikely to be out of use for a long per iod.


ATTACHMENT TO CAMERA / SHUTTER SPEED SETTING

The f lashuni t has a"Hot Shoe" base and can be at tached direct ly to a camera having a f lash

accessory , ,Hot Shoe" socket . A P.C. cord is suppl ied and th is should be used for other

cameras to e lectr ica| |y "onn"" .

the f |ahuni t to the,X, contact socket of the camera.

The ,X' contact socket should always be used. Any shut ter speed can be set on cameras

having inter iens shut ters a l though the speed of 1 l125th second is recommended'

Focal-p lane shut ter camerai wi l l have an 'x ' shut ter speed set t ing (usual ly 1/6oth or

1l12sthsecond) and th is should be set for photographing in poor l ight condi t ions '

I!


OPERATING I NSTRUCTIONS

Sl ide the on-of f swi tch to the r ight posi t ion. A humming noise wi l l be heard as the uni t isturned on, which wi l l become fa inter when the f lashuni t is fu l ly charged. At that t ime the readyindicator lamp wi l l g low and the uni t is ready for operat ion. Af ter operat ion, the ready lampwi l l g low again almost instantaneuously as the thyr is tor c i rcui t ry provides automat ic rapidrecharging.

The uni t can be discharged by pressing the ready lamp which doubles as a test but ton.Always ensure that the unit is switched off after use to save battery consumption and to

preserve the l i fe of the uni t .


FLASH OPERATION Manual Use

F is .2

Set the knob on front of unit to central position. The two white dots set adiacent one

another (Fig.2) serve as an indicator that f lash in on manual set t ing.Set the rotat ing diaphragm disc on the back of the uni t in such a posi t ion that the speed

of the f i lm being used appears adiacent the yel low diamond mark (E.G. ASA 1O0 in Fig.3)

Estimate (or measure for greater accuracy) the camera to sublect distance and then locate

the nearest greater reading in feet or meters on the top semicircle of the diaphragm disc.

1 0


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Read the adjacent yellow figure on the inner disc to determine the camera lens aperturesetting (E.G. F5.6 for a distance of say 1Sftl. Please note the readings on the outer disc arethe maximum distances at which photographs taken at the adjacent F stop reading will becorrectly exposed, Ensure that phtographs are not taken out of the effective range as theywill be underexposed.

F i g . 3


FLASH OPERATION -- Gomputer Use

F i s . 4 F i s . 5

The built-in photosensitive cell measures the light emanating from the subiect and the

computor automatically determines the correct quantity of light required. There are twosettings for computor use - (al for relatively close range where green framed circular window is

adjacent the white dot (Fig.4) and (b) for greater distance where the red framed photocell isv is ib le adjacent the whi te mark (Fig. 5) .

With the diaphragm disc set at the appropriate film speed e.g. 10O ASA in Fig. 5, one can

choose either Fg setting as indicated by the green arrow or F4 as indicated by the red arrow.The figure within the arrows specifies the maximum distance at which photographs at thatparticular diaphragm can be taken. 12ft is the maximum distance specified in the green arrow.

Therefore for distances ot 12lt or less the green setting (a) should be selected and the cameralens should be set at F8 stop.


FLASH OPERATION -- Computor Use

F is . 6 F i g . 7

For distances in excess of 1 2ft but less than 25ft the red setting (bl should be selected and thecamera lens should be set at F4 stop,

As can be seen in Fig. 7 when 25 ASA Film is being used the green setting (al for distancesup to 1 2ft corresponds to F4 setting, while red setting (bl for distances up to 25ft correspondsto F2 setting. Should the film speed (e.g. ASA 641 be such the green arrow falls between two Fstop readings choose the nearest yellow figure to the right of the arrow (e.g. F5.61.

F i g . 6


FLASH ADJUSTABLE BOUNCE ,.jt

The angle of flash can be elevated from horizontal position for conventional flash photography

to vert ical posi t ion for ref lected f lash by turning the knob (Fig.8,9) . The l ight is ref lected

satisfactorily provided that the ceiling is flat-surfaced, of average height and not of a dark

non-reflective colour. The benefit of reflected light is that it results in soft, shadowless

photographs.The computor functions normally in bounce flash photography, However, the camera lens

should be adiusted to an aperture one to the right of that indicated by the arrow for 45o flash

elevation and two stops to the right for vertical elevation.

Refer: to Fig. 6 where film speed setting is at 100 ASA. The green arrow points to F8 setting

for 12ft maximum range. For vertical bounce photography up to this distance the camera lens

should be set at apeFture F4 in this example (two stops larger aperture than F8)'

1 4


DETACHED OPERATION

I t is possib le to use the f lashuni t detached f rom the camera for f lashl ight ref lect ion f romvert ical objects such as a wal l . The f lashuni t .sbould be at tached to the camera by connect ingthe P.C. cord to the camera 'X 'socket .

The same apertures as those speci f ied for vert icalbounce app ly .

l f possib le for wal l ref lect ion the f lash uni t should be at tached to the camera and thecombinat ion held so that the camera base is vert ical to the ground.

Warning: l f the f iashuni t is being used detached f rom the camera, i t should always be held insuch a way that i t is at r ight angles (90' ) to the camera. l f i t is employed whi ls t in the samehor izontal or vert ical p lane as the camera or at an obscure angle i t may be that the di rect orref lected l ight does not provide suf f ic ient coverage to expose the whole subject appear ing in theviewf inder. Under exposed port ions may then appear in the photograph.

1 5


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HANIMEX wcrFrlcl vr/rDEAUSTRALIA , CANADA, FRANCE, GERMANY, HONGKONG,

JAPAN, NEW ZEALAND, UNITED K INGDOM, UNITED STATES OF AMERICA.

Pr inted in Jopon

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hanimex bx550 flash

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