Film cameras
SEAGULL 4A SERIES User manual
User manual for SEAGULL 4A SERIES. 14 pages in English. Read the original PDF, download or print a copy without registration.
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Document details
- Brand
- Seagull
- Model / document
- SEAGULL 4A SERIES
- Document type
- User manual
- Language
- English
- Pages
- 14
- File size
- 1.6 MB
- Category
- Film cameras
- Document date
- Not specified in catalog
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Page 6 · Read text
Specifications
Seagull 4A .4A-l and 4A-103 calneras are 120 twin-lens reflex
cameras. Their constructions, external forms and use are basicly the
same. There are somewhat improvements in constructions for the 4A-l
'l'heybased on 4A cameras. are: ( l) The lens is constructed in Tessar
type, 3.groups, 4.elements. lt can provide more excellent performance in
imaging quality; (2) With the newly-constructed top cover, it is easier
to open/close the direct viewfinder frame and tighter to prevent from
dust; (3) It is provided with the Fresnel lens in the viewfinder. and so
it can offer brighter and sharper fielj of view; (4) The camera is equipped
with hot-shoe so as to accept compact strode light. 4A-103 camera is
the same as 4A-l except the picture-taking lens.
. F i l m : 120 roll film
. Format size: 6x6cm (2t " xz| ") 12 pictures can be taken
with a single roll 120 film.
. Picture.taking lens: SEAGULL 75mm f/3.5. 3-groups. 4elements.
(for 4A-l)
SEAGULL 75mm f/3.5, 3- groups, 3-elements,
(for 4A-103)
SEAGULL 75mm f/3.5, 3.groups. &elements.
(for 4A)
Their aperture scales are all f/3.5-Il22.
. Viewing lens: SEAGULL 7*nm f/2.8, 3-groups, 3-elements.
. Shutter: Beiween-lens, l- l/300 sec. plus "B'.
. Flash contact: "X', all speeds may be used synchronously.
i. Focusing: Full -field precision ground screen focusing.
. Viewfinder: Waist-level viewfinder with Fresnel lens
(for 44-l)
Waist-level viewfinier with grorurd glass
(for 4A)
. Film advance: Winding crank, format locating automatically
The crank advances film and cocks the
shutter synchronously.
. Self-timer: Built-in, approx. 8- l2 sec. delay.
. Exposure counter: Count and reset automatically.
. Accessory shoe: Hot'shoe. (for 4A-l)
. l)imensions: l02xl02x 146 mm.
. Weight: 980 g (for 4A-l)
975 g (for 4A)View original page 6Page 8 · Read text
( 3) {f&.JB&F u,#t- X &^ri. {-
&t&il + ,tllt*-4,*'h &*a,lL
fikf fi.L#tft *,if,iaFl )EnL* AE
F-ia.ei,116,F...
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,, A e.'F-efFlbr*.ft il{ts, rLEt&.
JBe-+*.-*.
( Etl il*E t,tt + il.tlil
h&)\il.* fit f .
(3) Slowly pull crt the protccti"" ,.*, of the roll urd insert its frot end
into thc widcr alot o[ thc epol . Rotete the filn winding crork rmtil thc
tsir arrowg cr the protcctivc prFr rrc alipcd with the red locating inder
m the cerncra body.
'close' Closc the bacl cgvcr, tum thc locling disl in the dircctiqr until
thc safcty lcvcr is loctcd. Filn lording ig not complctcd.
(Ceution) Be eurc tlc locling bod ia riglrt in thc gloove of cancra.
(f) jtfi, i+*. t*nrr*
ffifi1+iA*A *h *taEA
,-4++.tt,rt,Ffit&f * n' t, +, jk
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o f +fi tufrh +*nrr*irrt
fra , 4,tt.fi E rfr4+*i6fi4 * ,
_trf*Tcthn, ttrfe,ttn*
rE.
({) Film Advancing And Erposure Counting And Coding The Shutter
Rotate the winding cranl cloclwise until the cranl stops. The number
'l'eppcarcd in the cornter window indicates the first frame. Now the
cemera is ready for taling pictures.
As the winding mechanism is interlocked with shutter cocking device, the
shutter release button. after cach film advancint. can bc pressed crly when
tbc winding crml is wound reverscly until it stope.View original page 8Page 9 · Read text
Framing
(l) JcEfri )*hLh t 4Lfr+8,
J6ttrft, E .
(l) Push open the viewf inder f rame as indicated in figure.
The image of the obiect seen on the focusing screen eorres-
ponds to what will appear on the f i l m .
.(2) frt+q*#
Ib iH;EfrE*,E , )F+I\fr E_,
!RFt.F#\\F +tr8fr #t,).i 4L, ,L
+tl#rF4hvr &_W.hthttlt tA "
(2 ) Di rect Framing
After the focusing is done, push open t h e v i e w f i n d e r
cover and o b s e r v e c l o s e l v t h r o u g h t h e s m a l l square aperture
behind the v i e w f i n d e r f r a m e . W h a t i s s e e n corresponds to
the f rame that wi | | be taken on the f i lm.
www.butkus.usView original page 9Page 11 · Read text
(z',)fr#.it{3f , #
*ftu,*.X*,n **.
A {AE Typc 4A E#,t*frfr-,4A-l4
Y {A-ld Typc fA-l ?r*Elfrff * rhr\
a*# A, AAa.frrT
fr,a*.x*.11h, i*.
X*,aPA4,#&"
n+8, *lti*.
x-il.ia-|rET#krl E
|i,i*.X1*.8p,tiiltt"
(2) When focusing. the magnifier will be helpful in observing the
sharpness of the image to be taken. For 4A-l, push the viewfinder
eover as indicated br- the arrow, ( For 4A. press the lock button
downwards) the matnifier will spring up automatically.
's
After the focusing is done, press the magnifier frame down to
its original position. the magnifier will be locked up automatically.
www.butkus.usView original page 11Page 12 · Read text
Depth Of Field
6 ;li.ft,tr { E J+^r.fr l*.tu L e7
#)r.#*i'* * " {"Elfr, rArf,H
*tr.rlfih 2 *,, ltrfl f/8/,n$,fr
)F.tlh t.79- 2.29*, "
t|ltrE-f;E t tt, f;g&,1., n'l
fi,fi,4t; JAJtFt*;Ert-, lhw
{i6 , n{fr,Kt t.
The range of depth of field can be obtained directly from the depth of
field scale at the focusing knob. As shown in figure. when the object
distance is 2 meters and the diaphragm selected is f/8, the range of depth
of field wi | | be 1.79 to 2.29 meters approx.
With focus set at a certain distance, the smaller the aperture, the
Sreater the depth of field: with aperture set at a certain value. the farther
away the point of focus. the greater the depth of field.
\,,m Setting The ShutterEEHflfrE, '7EE Speed And The Diaphragm
th)ttt t&## .* , &E fi it *
i frti4t.,l*il Al &, t E fi i $"
Set the shutter speed adjusting lever and diaphragm setting
lever as indicated by arrow according to the photographing
conditions.View original page 12Page 13 · Read text
*>RE)E Multi-exposing
rLfi-xud.rt. i,+8, )+-T
? ;kati lLltkln,, +,1+Xt-h e,ir*il{
,r iii X T 6t lr,lq ,,1E It, tl.tt tLni
b r, +, a fi +h)fl-T, +*.i1 fi it Lift ,
{ v\ tyt)- tKt'xh -L\t 4i fr -;Rul'
lL. )+ LLLi';* &-e-it lt , :?LAV;L
tl ? ;kW/c-*.,ia"
To repeat exposure on the same frame, press the multi -
exposing button after each exposure and rotate reversel-v the
w i n d i n g c r a n k i n t o i t s o r i g i n a l p o s i t i o n a s i n d i c a t e d b y a r r o w .
The shutter is cocked again. The procedures described above
may be repeated.
EtHt[0!ftH The Use Of Self-timer
*.FE'i trr* i 6 }.'.F A t6+Lth
+ " lhlltt )+414*.t1t'.gs.,A #+L
6LAft€r+, r{.n18- tz+rEaa
,€ l4'R l.1"
(;tf;) +n,!4tte,r ,.F#t a # rh +
E-T6rnA , v\ ft.ifrr^ +,L1+.
P u s h g e n t l y t h e s e l f - t i m e r l eve r a s in d ica te d b y a rro w. Th e se lf- tim er
will run automatically when shutter release button is pressed. The time
delav is 8 - l2 s e c .
( C aut io n ) N e v e r p u s h t h e se lf -time r le ve r in th e co u n te r-cl ockwise
direetiqr after it is cocked, or the shutter would be damaged.
www.butkus.usView original page 13Page 14 · Read text
n4;t Multi-exposing
tLfr-;KW)tn+E,t+-T
9;kttf,Lltilf,-, 4,1+E,h )*+,r,*iE
,r ffi * n 6 lrl9sr,)E |i, *.w tLn(
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6l v\ t*- r;l - CKr'xh -L Lt 4i fr -- ,X.rt1,i
)v." )+ Li+ i * E--Lit4i , iLfiuiL
4 9 ;kn*/c* t-
To repeat exposure on the same frame, press the multi - q
ing button after each exposure and rotate reverselv the
erank into its original position as indicated by arrow.
shutter is cocked again. The procedures described above
h repeated.
0!ffH The Use Of Self-timer
JqE fr trrXi 6, LtF A th*Lth.
+. thl*tt )itdtt*.i1)+1f,.,h )attt
itLhli€tt, €Ft8 - t2+rE A al
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( t}f;) tn,t*t e,}."rFut a th )h.+
E-n 6lE Ct, v\ ft.)fr,^ +,1.1+"
- l - h e
?rrl gently the self-timer lever as indicated bv a r r o w . s e l f - t i m e r
tu rutomaticallv when shutter release button i s p r e s s e d . T h e t i m e
ir t - l 2 s e c .
(Crution ) Never p u s h t h e se lf-trme r le ve r in th e co u n te r-cl( ) ckwise
rftcr it is cocked, or the shutter would be damaged.View original page 14Related documents and language editions
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PDF verified 2026-10-10.