Film cameras
PEARL RIVER 4-S User manual
User manual for PEARL RIVER 4-S. 10 pages in English. Read the original PDF, download or print a copy without registration.
10 pagesEnglish1.4 MB PDF
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Document details
- Brand
- Pearl River
- Model / document
- PEARL RIVER 4-S
- Document type
- User manual
- Language
- English
- Pages
- 10
- File size
- 1.4 MB
- Category
- Film cameras
- Document date
- Not specified in catalog
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Page 2 · Read text
The Pearl River 4-S is a twin-lens reflex camera with photographic lens and viewing lens. The twin-lens are 75 mm focal length and F 1:3 5, 3 elements in 3 groups. The lens plated a violet-blue thin film. Picture of photography is 12 pictures, size 6 x 6 cm or 16 pictures, size 6 x 4 5 cm, used the roll of 120 film. The viewing can be composed directly through the ground glass screen and the focus can be adjusted by rotating the focusing knob, on the ground glass screen can be view directly the clearness of focusing. The shutting speeds on this camera are 1, 1/2,1/ 4,1/ 8, 1/15, 1/30, 1/60, 1/125, 1/300 second and B. the aperture are 3.5, 4, 5.6, 8, 11, 16, 22. Built-in self-timer and X flash socket, winding by winding wheel and counted though the film counted window.View original page 2
Page 4 · Read text
1. Magnifier 2. Viewfinder cover 3 Direct viewing cover 4. Viewing lens 5 Shutter tensioning lever 6. Photographic lens 7. Shutter speed dish 8. Shutter release button 9, Front masking 8 cover 10. Upper film spool knob 11. X Flash socket 12. Depth of field scale 13, Focusing knob 14, Aperture adjusting lever 15. Lower film spool knob 16. Self-timer lever 17. Back cover locking hook 18. Directly viewing window of vision 19. Releasing button for viewfinder cover 20. Winding wheel 21. 12 Pictures film counted window 22. 16 Pictures film counted window23. Tripod bush 24. Back cover switch knob 25. Film-pressure plate 26. Upper film chamber 27. Lower film chamberView original page 4
Page 5 · Read text
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LOADING FILM
1. Turn the back cover switch knob in the
direction of "0" arrow mark and let locking
lever extend forward. Then open the back
cover. (Fig 1)
2 With 16 pictures for take photo, must put 16
pictures frame into back frame of body, if 12
pictures for take photo, then take 16 pictures
frame away from back frame of body. (Fig 2)
3. Pull out the lower film spool knob and
insert the roll film into the fixed spool knob.
Then press down the roll film and push the
lower film spool knob inward. (Fig 3)
4. Draw out the front of protective paper of
film and insert it into the longer slot of the
winding spool core in the upper chamber.
Then tighten the protective paper by turning
the winding wheel about a round. (Fig 4)
5. Close the back cover. Then turn the back
cover switch knob in the direction of "C"
arrow mark and let the locking lever move
back-ward until the back cover in fastened.View original page 5Page 6 · Read text
6. Pull out the cover of film counter window.
Advance the film by turning the winding wheel.
When 16 pictures for take photo, look at the film
counted window of 16 pictures, if 12 pictures for
take photo, look at the film counter window of
12 pictures, until the number "1" appears in the
counter window. It shows the first picture is
ready. (Fig 5)
7. After the first picture is taken. you can turn the
winding wheel continuously for the next picture
until the final picture is completed.
8. After the picture having been taken, turn the
winding wheel continuously about 6~7 rounds.
Then open the back cover, pull out the upper
film spool knob and take off the roll film. (Fig 6)
VIEWING AND FOCUSING
1. Open the viewfinder cover as shown in Fig 7.
2. View the subject appearing on the ground
glass screen and rotate the focusing knob until
the subject on the screen is sharp, thus the focus
is well adjusted. The subject was contained
between two red line in ground glass screen are
the photographic range of 16 pictures. The
subject was contained on whole ground glass
screen are the photographic range of 12 pictures.View original page 6Page 7 · Read text
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3. Use the magnifier for finding a sharper image. The magnifier
will be raised up by pressing the direct viewing cover inward and
it will spring to its original position by pressing down the
magnifier frame.
4. When the small square hole for viewing is adopted, press
down the direct viewing cover until it clicks into place of the rear
masking cover is opened. (Fig 9)
5. Compose your picture through the small square hole of the
rear masking cover for viewing, when 16 pictures for take photo
is not used.
6. After taking picture press the releasing button at the lower part
of the rear masking cover and let the direct viewing cover spring
to original position. (Fig 10)
SETTING SHUTTER
Turn the shutter speed dish and set the red mark
to the required speed value on the speed scale.
(Fig 11)View original page 7Page 8 · Read text
RELEASING SHUTTER
1. Tension the shutter by pulling down the shutter tensioning
lever to the bottom until a click is heard. (Fig 12)
2. After tensioning shutter press the shutter release button gently
and then a picture taking is accomplished. (Fig 13)
3. When a cable release is used, on the shutter release button
screw in the cable release.
SETTING APERTURE
Pull the aperture setting lever and set the arrow mark to the
required aperture number. (Fig 14)
Examples of aperture at each F/stopView original page 8Page 9 · Read text
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DEPTH OF FIELD
When you focus the camera on a subject there
is a certain range extending in front and behind
the subject within which other objects will also
appear sharp. This range is called the 'Depth of
Field" and it varies with aperture. The larger
the aperture, the shorter the Depth of Field, and
the smaller the aperture, the longer the Depth
of Field. The value on the Depth of Field scale
indicate the aperture number and on the
focusing knob designate the distance in meter.
After focusing the distance value pointed by the same two aperture number indicates the Depth of Field in the
condition of that aperture number. For instance, if the camera is focused to 3 metres with aperture number 16,
the Depth of Field is approximately from 2.3 to 5 meter.
FLASH PHOTOGRAPHY
Pearl River 4-S Camera can be used in conjunction with
Electronic Flash in 1/60 second or slower shutter speed to
photography in synchronization. Insert the cable plug into
the flash socket and choose the distance and aperture
according to the Flash guide number. For instance, the
Electronic Flash guide number is 16, ASA 100 (21 DIN)
film, on the Exposure Table of Flash designated: the
distance of subject is 2 meter, then the aperture is 8.
SELF- TIMER
When the self-timer is applied the camera should be stabilized with a tripod. Pull down the shutter-tensioning
lever first then push the self-timer lever under, the shutter will go into action at the time 8~12 seconds after
pressing the shutter button.View original page 9Related documents and language editions
From the M. Butkus archive. Original publisher and archive notices are retained.
Check the model and edition against your equipment.
PDF verified 2026-10-10.