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This camera manual library is for reference and historical purposes,
all rights reserved.
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, M. Butkus,
N.J.
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TABLE OF CONTENTS
Nomenclature ............... 2
Specifications ................ 6
Lens Mounting .............10
Installing the batteries ... 12
Battery Testing ................... 14
Film Loading ................ 16
Frame Counter ............. 20
Advancing the Film ....... 22
Film Speed Setting ....... 22
Release Lock ............... 24
Exposure Setting I ........ 26
Exposure Setting II ....... 30
Focusing ..................... 34
Unloading Exposed Film ... 36
"B" (Bulb) Setting ......... 38
Self Timer ................... 40
Flash Photography ........ 42
Depth of Field ................ 44
Infrared Photography ..... 46
Optional Accessories ..... 48
1. Shoulder strap eyelet
2. Frame counter
3. Shutter release button
4. Film advance lever
5. Shutter speed dial
6. Hot shoe
7. Film rewind knob/back cover opener
8. Film speed index
9. Film speed dial
10. Hand grip
11. Self-timer lever
12. Lens lock release button
13. Aperture ring
14. Depth-of-field scale
15. Distance scale4.butkus.org
16. Focusing ring
17. Rewind shaft
18. Viewfinder eyepiece
19. Sprocket teeth
20. Take-up spool
21. Film pressure plate
22. Back cover
23. Rewind button
24. Film rail
25. Film guide rail
26. Tripod socket
27. Shutter
28. Battery compartment cover
29. Film chamber
Type: 35 mm SLR camera with LED type light measuring system.
Picture Format: 24 x 36 mm.
Lens Mount: Chinon universal bayonet mount (K, KA, RK mount compatible).
Shutter: Vertical run metal focal plane shutter, mechanical release.
Shutter Speeds: 1 -1/2000 sec., "B".
Flash Synchronization: Hot-shoe, X contact, 1/125 sec.
Viewfinder: Fixed eye level pentaprism, central split image with micro prism collar and ground glass.4.butkus.org
Viewfinder Magnification: 0.86x (@50 mm, infinity)
Viewfinder Visibility: 93%
Dioptric Factor: - 1.0 diopter
Displays in Viewfinder: Red + mark LED
(overexposure), green (dot) mark LED (correct
exposure),
red (dot) mark LED (under
exposure)
Exposure Metering: TTL center weighted full aperture system employing
one CdS,
3-step exposure indicator with 3 LEDs.
Exposure Range: EV +3 - EV +20 (F1.4 50 mm, ISO 100).
ISO Range: 25-1600 (DIN 15-33) by 1/3 step.
Film Advance: Single stroke in an arc of 130° with 30° stand off.
Film Counter: Automatically indicates number of exposures and
resets to "S" when
camera back is opened.
Film Loading: Multi-slot take-up spool type.
Film Rewind: By depressing the rewind button and cranking the rewind lever.
Release Lock: Shutter release button is interlocked with the
advance lever stored
at unused position.
Cable Release: Possible.
Self-Timer: Built in, approximately 10 sec. delay.
Power Source: Two 1.5V alkaline batteries (LR44) or silver oxide batteries (SR44). 4www.butkus.org
Body Dimensions: 133(W) x 85(H) x 50(D) mm. (5.24" x 3.35" x 1.97")
Body Weight: 410 grams (14.5 oz).
LENS MOUNTING
1. By using a coin, unlock the battery compartment cover by turning
it counterclockwise (Fig. 3).
2. Place two 1.5 V alkaline batteries (LR44, A76) or two 1.5 V silver
oxide batteries (SR44, S76, G13) with the minus (-) side touching the cap
(Fig. 4).
3. Turn the battery compartment cover clockwise until it closes firmly
(Fig. 5). NOTE: Clean the batteries with a dry cloth or paper before inserting
and thereafter at regular intervals. Make sure that the batteries are inserted
correctly, i.e., check polarity. The shutter will operate only when the
batteries are correctly installed and not exhausted. Keep the batteries
out of reach of children.4.butkus.org
BATTERY
TESTING
FILM LOADING
2. Then, insert a film cartridge into the film chamber with the protruding
end of the cartridge positioned toward the bottom of the camera.
3. Push down the film rewind knob and slightly turn the knob in either
direction until it "seats" properly into the film cartridge spool (Fig.
8).
5. Turn the shutter speed dial to any setting and advance the film while
holding the film lightly down on to the transport sprocket teeth.
6. Release the shutter if necessary and advance the film until the sprocket
teeth engage with the upper and lower perforations of the film (Fig. 10). 8. Turn the film rewind knob gently clockwise until all the slack is
taken up and the rewind knob stops. Do not force or further rewind the
film (Fig. 11).
The rewind knob should rotate counter Make sure the film has been loaded properly. Operate the film advance
lever through a full stroke. When the film end is reached, the film advance
lever may stop before the lever is fully turned. Do not force the lever.
Stop winding at once and rewind the film. Refer to "Unloading Exposed Film". (emphasizing shutter speed)
2. With brighter subjects, fast moving subjects (emphasizing aperture)
2. The suitable aperture value changes according to the brightness of
the subject, the depth-of-field desired, or the film speed or shutter speed
in use. The typical settings of the aperture with ISO 100/21° film
are as follows:
* Sunny day outside: F/8 - F/16
* Cloudy day outside: F/4 - F/5.6
* Inside (without flash): F/1.9 - F/2.8
2. Turn the lens focus ring until the upper and lower split images match
up to form a uniform image (Fig. 18). This split image focusing is particularly
helpful when the subject is dominated by vertical lines.
3. The microprism is also very helpful. When out of focus, the image
on the microprism will appear to shimmer (Fig. 19).
4. When the focus is properly set, the subject image will be sharply
defined in the viewfinder. You can double check the focus setting by the
image on the ground glass. You can also focus indirectly. Actually measure
or estimate the distance to the subject and set the lens focus ring to
the appropriate setting (Fig. 20).
2. Push in the rewind button on the bottom of the camera (Fig. 21).
3. Unfold the rewind crank on the rewind knob. Turn the rewind crank
clockwise (Fig. 22).
4. When the pressure eases, the film is 5. Lift up the rewind knob to open the camera back (Fig. 23). Your exposed
film should be processed without delay.4.butkus.org
"B" (BULB)
SETTING
2. Press the shutter release button and the self-timer will release
the shutter in approximately 10 seconds.
3. Once the self-timer is set, it must be activated. Cancellation is
not possible.
4. The self-timer is very useful when you wish to include yourself in
a picture.
FLASH PHOTOGRAPHY
DEPTH
OF FIELD
DEPTH
OF FIELD SCALE:
INFRARED
PHOTOGRAPHY
17 mm f/3.5 multicoated
Telephoto Lens
135 mm t/2.8 multicoated
Zoom Lens
28-70 mm f/3.5-4.5 multicoated MACRO
Accessories
CHINON AUTO "S" series flashes Auto extension ring
Your CM-7 is equipped with a CHINON "K" bayonet mount which accepts
all interchangeable lenses with the "K" bayonet. To attach the lens, match
the red dot on the camera body and
Pull the film advance lever to the stand-off position or fully wind
it to activate the meter switch, and set the shutter speed dial to any
setting other than "B" and press halfway the shutter release button. If
the batteries are in good condition, one of the three LED's located inside
the viewfinder will illuminate (Fig. 6). If an LED fails to illuminate,
the batteries are too weak and need to be replaced, or are incorrectly
installed.
Your CM-7 camera can be used with any kind of 35 mm film.
4. Insert the trimmed end of the film into one of the slots on the
take-up spool (Fig. 9).
9. Advance the film and release the shutter three times (Fig. 12).
FRAME
COUNTER
Your CM-7 is equipped with a frame counter which displays the number
of exposures made and resets automatically to "S" (start position) upon
opening the back cover.
When a film is loaded according to the procedure previously described,
the counter displays "1" (between 0 and 2) indicating that the camera is
ready for the first exposure. Every time the film advance lever is
turned, the counter will proceed one stop forward. The number 12,
20, 24 and 36 are colored in red to warn the end of commonly available
films (Fig. 14).ADVANCING
THE FILM
FILM
SPEED SETTING
The film speed is specified on the box or in the instruction sheet
packed with the film. Set the film speed (ISO number) index by turning
the film speed dial according to the value indicated on the film (Fig.
15).
Pull the film advance lever to the stand-off position (Fig. 16) or
fully wind it to activate the meter switch when taking pictures. When the
film advance lever is returned to the storage position (Fig. 17) the shutter
is locked to prevent accidental release. When not in use, return the film
advance lever to this original position.
A: Over Exposure B: Correct Exposure C: Under Exposure
A: Over Exposure
B: Correct Exposure
C: Under Exposure
The B setting is used for shooting night scenes or long time exposure.
Set the shutter speed dial to the "B" position (Fig. 24). The shutter and
mirror will move to the open (up) position as long as the shutter release
button is depressed. Use of a cable release and a tripod is recommended
for stability to prevent camera movement during time exposures.
SELF-TIMER
The self-timer is now ready for use (Fig. 25).
It is also useful for taking pictures at slow shutter
speeds when a cable release is not available.
It is advisable to use a flash when the exposure indicators in the
viewfinder show that the light level is too low, such as indoors, at night
time, or in daylight when the subject is too dimly lit to provide adequate
exposure. Electronic flash units as well as conventional flash units using
flash bulbs may be utilized. The CM-7 has a shoe (accessory shoe with a
built-in flash contact) for "X" synchronization (Fig. 26). 1. Set the shutter
speed dial at 1/125 second or lower (Fig. 27). 2. The lens aperture is
determined by the calculation table indicated on the flash unit. Follow
the instructions given in the instruction manual of your flash unit.
"Depth of field" designates the nearest and furthest limits of the
area that will be sharply defined in the picture in front of and beyond
the subject. Depth of field is controlled by the f-stop 
The depth of field scale indicates (after focusing) the approximate
area that will be sharp in the picture. Locate on the depth of field scale
the corresponding pair of f-stop figures. The distance between these two
f/ stop figures on the focusing ring will be the area of greatest sharpness
in your picture (Fig. 29).
If you intend to take infrared photographs using infrared film and
either an R2 or 02 filter, an extra focusing adjustment must be made. After
focusing note the distance setting aligned with the focus index, and move
that figure over to the red infrared mark engraved on the lens (Fig. 30).
Focus adjustment is not required when using infrared color films. NOTE:
Read the instructions packed with the infrared film for further information.
* 50 mm f/1.7 multicoated
* 50 mm f/1.9
Wide-angle Lens
28 mm f/2.8 multicoated
35-70 mm f/3.4-4.5 multicoated MACRO
35-80 mm f/3.5-4.8 multicoated MACRO
35-105 mm f/3.5-4.5 multicoated MACRO
35-200 mm f/4.0-5.6 multicoated MACRO
70-210 mm f/4.0-5.6 multicoated MACRO
75-300 mm f/5.6 multicoated MACRO
Bellows
Deluxe carrying case Soft gadget bag
Wide band strap with CHINON logo
