Film cameras
Pentax TWO SIDED User manual
User manual for Pentax TWO SIDED. 18 pages in English. Read the original PDF, download or print a copy without registration.
18 pagesEnglish3.6 MB PDF

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Document details
- Brand
- Pentax
- Model / document
- Pentax TWO SIDED
- Document type
- User manual
- Language
- English
- Pages
- 18
- File size
- 3.6 MB
- Category
- Film cameras
- Document date
- Not specified in catalog
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Page 2 · Read text
..A..
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ASAHI OPTICAL C(
980.Maenocho,Shtmura,ltaba=~
Donated to www.orphancameras.comView original page 2Page 3 · Read text
m R e a ~ c o v e rlock @ Shuttcr release button @ Houd lock
Rear-cover @ Exposure counting dial @ Lens batrel
@ Rewinding knob g) Rewinding clutch @ Magnifier
@ Sprocket Taking lens , - @ Distance scale, index mar1
() Take-up spool B) Lens cap @ Diaphragm ring
.gWinding knob @ Reflex finder hood Aperture index mark , L
With Takumar 3.5/50mm
Donated to www.orphancameras.comView original page 3Page 4 · Read text
- - -
@Rear-cover lock g)Shutter release button QI houd lock
Q Rear-coyer C) Exposure counting dial Lens barrel
Pre-set aperture lever @Rewinding kno, Rewinding clutch @ Magnifier a Sprocket @Taking lens , 6) Distance scale, index mar1 . @ Pre-set aperture index mark
- Tabe-up spool le, Lens cap Diaphragm ring () Shutter speed dial
Winding knob Reflex finder hood @ Apertore index mark @ Tripod socket +,lL . . I .I L @ Eyelevel optical viewf~nder
$ Flash cable socket
Donated to www.orphancameras.comView original page 4Page 7 · Read text
base of the winding knob@ and adjust the figurn
1 on the dial directly opposite the index mark.
the rear cover@ ahd push down the rear-coves 11 HOWto unload film
I S loaded, but, whlle , Xow your camera
you nere loadlng the film, some length of
the f ~ l mwas protaLly exposed to Ilght. camera to the posit~on"R"
For the purpose of advancing t h ~ sexpos-
When the rew~ndingclutch@ is set to
( 1 ed sectlon of the f~lm, turn the \\lndlng the posttion "R: the sprockets are freed fr-
om the film.
Then lift the rew~ndingknob@ and turn
the w~ndtngknob@ another full turn. Re- - it in the dtrection indtcated by the arrow.
peat thts operatton twlce. By doing this, the exposed film which is
to the cartr~dge.
exposure. However, before taklng the first When the exposed film is returned to ~ n 3
cartridge, open the r&r cover an,d remove
the cartlrldge from the camera. ( As soak
Donated to www.orphancameras.comView original page 7Page 9 · Read text
2. Distance s c a l e and d e p t h
In order to ensure accurate focusing, of field.
The distance to the subject is
der hood. The magnifier will Se set shown by the figures 2.5. 3, 5, 7,
Parallel to the focusing glass if the lug 10, 15, 25, 50 and imprinted on the
is pulled up. Place your eye a s ,-lose lens barrel ( s e e Photo).
to the magnifier as possible. When a clear image is produced
on the focusing glass, the distance
'to the subject will be indicated by
the index mark@.
The figure 3.5, 8 and 11 on both sides of the index mark@ indicate lens ',
aperture. Any type of lens has a dept
ing field is meant that an accurate fo
the foreground and background when the lens is focused on an object.
When the opening is decreased (or, in other words, when the iris deaph- '
:ragm scale is adjusted to a larger figure), the depth of focusing field incr.
eases.
When the diaphragm ring is set at 3.5, 8 and 11 the depth of focusing
Donated to www.orphancameras.comView original page 9Page 11 · Read text
The pre-set aperture ring has been design- @ Hold the iris diaphragm ring as shown in the pkoto a d adjust it to tbe
ed in order to eliminate this inconvenience. desired figure ( f o r instance, 5.6). The preset aperture ring will move simu-
By setting the pre-set aperture ring beforeha- ltaneously and stop at the figure 5.6.
nd, the diaphragm can be left wide open The focusing operation can be conducted with the iris diaphragm set at the
while securing focus. After accurate focus ' desired opening. However, if the image on the focusing glass is too dark, the
is secured, and before pressing the shutter. lens aperture can be opened fully; and, before pressing the shutter..release
give the diaphragm ring@ a turn and the ri- b;tton, give the ring a turn and it will stop at the desired opening.
ng will stop automatically at the desired lens When' returning the preset aperture ring to its normal position however,al-.
opening. ways use the lever. i
5 . S h u t t e r s p e e d
The pre-set aperture ring is operated in The ASAHIFLEX is equipped with a focal plane shutter with speehs of B,
one of the following two ways: f/a. Xo0 to Xfoosec. These figures are imprinted on the shutter speed dial
@ Catch the pre-set aperture lever@ w ~ t h @. To adjust the shutter speed, simply set the desired figure directly opp*'
site the index mark. . your fingertips and adjust the red line to '
the desired figure (for instance. 5.6). Leave T o adjust the shutter speed, lift the shutter speed dial@ and turn it uhtil
the diaphragm wide open ( o r in other words, the desired figure is directly opposite the shutter speed index mark. When '
at the figure 3.5) while securing focus. Be- the shutter speed dial@ is set at B ( Bulb),the shutter opens during the time '
fore pressing the shutter release, turn the, the shutter release button is pressed. Thus, when it is adjusted to B, it is
iris diaphragm ring a turn and it will stop advisable to use a. tripod in order to prevent the camera from moving. 'The
*t the desired aperture tripod shoul! be secured into the tripod mount (22).
To make time (T) exposures, unscrew the ring around the shutter release
How t o u s e t h e pre-set
a p e r t u r e ring @....-.-@ Donated to www.orphancameras.comiView original page 11Page 12 · Read text
- i@ and mount a cable release equipped with a 6 . Composition
time exposure lock attachment.
After accurate focus is secured, and lens opening and shutter speed ake p]-
perly adjusted, compose the subject by carefully observing the image on the
focusing glass.
when taking snapshots or pictures of moving objects. use the eyelevel view. j
Do not stone the camera with the snutter finder@. In this case, determine the distance to the subject beforehand, by
wound. After you have taken the desired nu- utilizing the reflex viewfinder or the distance scale@. L
mber of pictures, put the lens-cap on the The eye-level viewfindera also
lens ,~nd press the shutter release. Later, is handy in case composition of sub
trhen you wish to make an exposure, set b e t with the' reflex viewfinder is
the rewinding clutch@ located on the b e difficult for instance. when taking
ttom of the camera to the position "R: and , ~ h o t ~ \ ~ h i l e h ~ l d i n g t h e r ~ m ~ ~ ~ ~ ~ ~ ~ . - Bythen turn winding knob. doing so, the 1 tically
shutter alone will be wound and the film
\ \ i l l not advance. Then, return the rewind-
ing clutch to the or~ginalposition. In this
way, the shutter can be wound without
wasting any tilm.
-&Donated to www.orphancameras.comView original page 12Page 14 · Read text
9 . Flash synchronization Pi direction of the arrow, until it
goes no further. This operation
will also set the shutter for
the next exposure. The sirnultw Consequently, the,ASA
neous winding of the film and
shutter prevents double expasu*
sures. When the winding knob : sures indoors or even '
is given a fdl turn, the expm at night at ordinary.
sure counting dial@ automiltici~
Iky registers the advanee by
showing one graduation.
Determine the distance betorehand
and hold the camera against your fore
head as shown in the photo and com-
pose the subject tbrough the eye-leve
I viervfinder. This is the best way
of hold~ngthe camera when making exposure from such a position. ; plane shutter f~.sb"h.
v :' bulbs for (FP)
Donated to www.orphancameras.comView original page 14Page 17 · Read text
Special ' ASAHIFLEX copying kit
As the case'pr rl
use the approbr iate wtpnsi
,,*in& L order to give an ev
ted. T,kusi it can be used
pakic$arty in schools,. fact
ach the stand and pantagraph to- the portable
casd. Because this f5ntagrapg" enables jnw
to lower or raise the.came6a with one hand,
focusing as well a s composition is greatly
fecilitated. '
5 J
Donated to www.orphancameras.comView original page 17From the M. Butkus archive. Original publisher and archive notices are retained.
Check the model and edition against your equipment.
PDF verified 2026-10-10.

