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INSTRUCTIONS
Thank you for purchasing the OLYMPUS OM-4T . This new SLR camera employs
titanium — a metal lighter and 6 times stronger than aluminum in the construction
of the main part of the body. It is the world's first 35 mm single lens reflex camera
equipped with Multi Spot Metering and our new Full Synchro Flash System.
This camera has been designed to facilitate serious photography with professional-
level techniques including daylight synchro-flash photography, all with a minimum
of effort: Its aim is to expand the sphere of creative photography. We recommend
that before using the camera, you read this instruction manual carefully, confirming
the instructions on the camera so that you can get the very best performance and
service life from your new camera.
Note: All the components of the Olympus OM-4T are carefully designed and their production and
assembly is strictly controlled to enhance the unmatched performance of the system. If any inter-
changeable lenses, flashes, or accessories other than Olympus products are used, Olympus cannot
be responsible for poor results or damage of the OM-4T .
Correct
Incorrect
Operation
Operation order
Automatic
operation
Two-step operation
Attention
Press
lightly
Lamp on Lamp blinking Continuous
sound
Intermittent
sound
Reference
1
TABLE OF CONTENTS
< Preparations before Taking Pictures >
Dioptric
Correction
...............
4
Mounting
the
Lens
................
6
Loading
the
Batteries
..............
8
Checking
the
Batteries
. . . . . . . . . . . . . .
9
Loading
the
Film
. . . . . . . . . . . . . . . . .
11
Setting
the ISO
Film
Speed
. . . . . . . . . . .
15
< Taking Photographs (I) >
Automatic Exposure
TTL
Direct
Light
Metering
. . . . . . . . . . .
18
Rewinding
the
Film
. . . . . . . . . . . . . . .
22
< Taking Photographs (II) >
Automatic Exposure
How to Use the
Spot
Measurement
......
25
How to
Clear
the
Spot
Metering
........
28
How to Use the "Multi-Spot Measurement"
Mode
. . . . . . . . . . . . . . . . . . . . . . .
29
Highlight
Control
. . . . . . . . . . . . . . . . .
32
Shadow
Control
.................
35
< Taking Photographs ( II I) >
Automatic Exposure
How to Use the Exposure Memory
Lock
System
..................
39
< Taking Photographs (IV) >
Manual Exposure
How to Take Picture on Center-
Weighted,
Averaged
Metering
. . . . . . . . .
44
How to Use the
Spot
Measurement
......
46
< Taking Photographs (V) >
Flash Photography
Taking Daylight Synchro-Flash Photographs
(Super
FP
Flash
Mode)
............
50
< Other Operations >
Using
the
Self-Timer
...............
55
Exposure
Compensation
............. 56
Bulb
Exposure
..................
57
How to Shoot when the Batteries
are
Exhausted
. . . . . . . . . . . . . . . . . . 58
Using
the
Viewfinder
Illuminator
.......
60
How to Turn Off the Beeper
..........
61
Changing
the
Focusing
Screen
.........
62
Changing
the
Camera
Back
...........
64
Attaching
the
Grip
. . . . . . . . . . . . . . . . 65
Handling
Care
................... 66
Description
of
Controls
............. 68
Specifications
. . . . . . . . . . . . . . . . . . . 72
2
< Preparations before Taking Pictures >
3
Dioptric Correction
The OM-4T permits dioptric adjustment according to your eyesight.
Remove the body cap.
4
Pull out the diopter adjustment knob.
Turn and adjust the knob so that the matscreen
appears sharp.
Push
the
knob
back
in
until
it
locks.
5
Mounting the Lens
Remove the rear lens cap.
Align the red dots and rotate the lens clock-
wise
until
it
locks.
6
Remove the front lens cap. (Press in the mount
tabs on the edges of the lens cap parallel with
"OLYMPUS").
Press
the
lens
release
button
and
turn
the
lens
counter-clockwise.
Removing the Lens:
7
Loading the Batteries
Do not use different types of batteries or new and old batteries at the same time. If you are not
likely to use the camera for a long period of time, remove the batteries before putting it away.
Remove the battery cover.
8
Wipe battery surfaces clean. Make sure that +
signs are facing upwards.
Checking the Batteries
Always check the batteries after inserting new batteries, when shooting in cold weather, or if the
camera has not been used for a long time.
9
Rotate the mode selector dial to the "BATTERY
CHECK" position.
The
audible
and
visual
signals
will
tell
you
that
the batteries have enough power. As the battery
power weakens, the signals will become intermittent
then vanish completely when they are exhausted.
Replace the batteries.
10
After the check, set back the dial.
When
checking
the
batteries,
the
audible
and
visual
signals
will
automatically
turn
off in 30
seconds.
If you
then
press
the
shutter
release,
the
shutter
will
trip
in the
auto
exposure
mode.
Loading the Film
11
Pull up on the rewind knob to open the camera
back.
Tear off the top of the film box and insert it
into the memo holder. It will remind you which film
you are using.
Insert the cartridge and push down the film re-
wind knob. (Always load the film in the shade.)
12
Insert the film leader into the take-up spool.
Wind
the
film
and
make
sure
the
sprocket
teeth
catch both the upper and lower film perforations.
Take up the slack by turning the rewind crank
clockwise.
13
Close
the
camera
back
until
it
clicks
into
place.
Face the camera toward light and take two
blind shots. This will bring the lm to the rst frame.
14
Setting the ISO Film Speed
Lift up the outer collar and rotate until the
ISO speed appears in the window.
Film speed
15
Align the exposure line A with the index B .
If the exposure compensation dial does not turn to the
desired ISO number, set it once at an intermediate value then
repeat the procedure.
16
The OM-4T enables aperture-preferred automatic exposure on TTL direct light metering
(center-weighted,
averaged
light
metering).
This
mode
can be
used
for
most
of the
subjects
under normal conditions when shooting with the sun behind you, when the subject
contrast is not too strong, and so forth.
< Taking Photographs (I) >
Automatic Exposure
17
TTL Direct Light Metering
Aperture-preferred automatic exposure allows you to take pictures by utilizing the lens depth of
field effect (blurred background, for example). P. 95
Set the mode selector lever to the "AUTO"
position.
18
Reference
P. 117
Set the aperture.
Basic aperture settings;
Press
the
shutter
release
lightly
to
activate
the
viewfinder display.
The bar tip indicates the shutter speed.
19
Focus on your subject.
Press
the
shutter
release
to
take
the
picture.
A
built-in
battery
conserver
turns
off the
viewfinder
dis-
play after 120 sec.
20
If you see an overexposure warning signal
("OVER" blinks), set the aperture to a larger number.
If the shutter speed is too slow, set the aperture
to smaller number to prevent camera shake.
21
Rewinding the Film
When the exposure counter indicates the end
of your roll of film.
Push the "R" button.
22
Fold out the rewind crank and wind it until
the film tension is released.
Open the camera back by pulling up on the
rewind knob and remove the film.
23
The spot metering system of the OM-4T enables you to control the exposure as you like. It
insures perfect exposure of backlighted and high contrast subjects and expands shooting
possibilities in the auto mode for more creative photography.
Taking Photographs (II)
Automatic Exposure
24
How to Use the Spot Measurement
Reference
P.
96-100
Align
the
microprism
area
with
the
area
you want to measure. (The spot metering range is
outlined by the outer edge of the microprism.)
Spot metering range
25
Press the spot button to take meter reading.
You will hear an electronic sound and the word
"SPOT" will appear in the viewfinder. The metered
value is displayed by the mark.
If you shift the camera, another mark will indicate the exposure value in the center of
the frame along with the spot metered value.
26
Press the shutter release to take the picture.
The subject will turn out correctly exposed,
regardless of the brightness of the background.
The
spot
metering
mode
will
be
automatically
cleared
after
the
shutter
has
tripped,
or
after
120
seconds
have
passed,
and it
will
return
to
the,
TTL
direct
light
metering
mode.
27
How to Clear the Spot Metering
With the lever at "CLEAR", the mode will
return to TTL direct light metering.
"SPOT" and mark disappear.
28
How to Use the "Multi-Spot Measurement" Mode
Reference
P. 101-104
Spot metering is possible in up to 8 spots.
This sample photo shows a backlighted subject.
29
Take spot metering on the face (first spot).
Take spot metering on the ship in the back-
ground (second spot).
30
Compose your picture and press the shutter
release.
Both the subject and the background are
correctly exposed.
To cancel the metered value, operate the clear lever.
31
Highlight Control
If you want to render white objects in white...
Reference
P. 105-106
In ordinary shooting, white objects will turn
out grayish if the picture is taken in strong
brightness over the entire frame..
32
Take spot metering on the part of the subject
which you want to render in white.
Press
the HI.
LIGHT
button.
Exposure will be automatically corrected to give 2-step
overexposure.
33
Press the shutter release to take the picture.
The white object turns out white.
The highlight control is cleared by pressing the HI. LIGHT
button
once
again.
To
cancel
the
metered
value,
use the
clear
lever.
34
Shadow Control
Reference
P. 107-108
If you want to render black objetcts in black...
In ordinary shooting, black objects will turn
out grayish if it is very dark over the entire picture
frame.
35
Take spot metering on the spot which you want
to render in black.
Press
the
SHADOW
button.
Exposure will be automatically corrected to give 2 2/3-
step underexposure.
36
Press the shutter release to take the picture.
The black object turns out black.
The shadow control is cleared by pressing the SHADOW
button once again. To cancel the metered value, use the clear
lever.
37
Taking Photographs (III)
Automatic Exposure
In automatic exposure, the same picture will be exposed with a very different exposure
value if it is taken in different backgrounds. The OM-4T has an exposure memory lock
system to solve this problem. It can be used in both the TTL direct metering and spot
metering modes. Once an exposure value stored in memory, it does not vary even if you
change the aperture (or shutter speed).
38
How to Use the Exposure Memory Lock System
The memory lock system is convenient for taking many pictures of the same subject in different
backgrounds or costumes.
Operate the lever to set up the memory mode.
The letters "MEMO" will appear in the viewfinder
and the memory signal will blink twice.
Reference
P. 109-110
39
Frame the composition as you desire.
The Exposure Value is Stored in Memory after
Shooting.
40
The memory will keep on for 60 minutes after the shutter
has
tripped.
Change the composition and shoot.
The subject is exposed with the same exposure
value even if you change the composition.
41
To clear the memory, use the clear lever.
The memory is also cleared in the following cases:
1. When a lens is mounted or dismounted.
2. When the mode lever is switched.
42
Taking Photographs (IV)
Manual Exposure
The OM-4T permits manual exposure on center-weighted, averaged metering and spot
metering. It allows you to choose the optimum aperture and shutter speed which suit your
subject and taste.
43
How to Take Pictures on Center-Weighted, Averaged Metering
Set the mode selector dial to the "MANUAL"
position.
44
Set the bar graph tip to the fixed point between
the arrows by adjusting the aperture and/or shutter
speed rings.
Fixed point
The
shutter
speed
you
have
set
will
be
displayed
in the viewfinder.
Shoot.
45
How to Use the Spot Measurement
Reference
P. 96-100
Align the microprism area with the area you
want to measure.
Spot metering range
46
Press
the
spot
button
to
take
meter
reading.
Set the bar graph tip to the fixed point between
the arrows by adjusting the aperture and/or shutter
speed rings.
The shutter speed you have set will be displayed
in the viewfinder.
47
Shoot.
The subject will turn out correctly exposed,
regardless of the brightness of the background.
It is also possible to use the multi-spot metering, highlight control and shadow control. In any
case,
correct
exposure
is
obtained
by
simply
setting
the bar
graph
at the
fixed
point.
48
< Taking Photographs (V) >
Flash Photography
The OM-4T is the perfect companion for the world's first Full Synchro Flash F280. Profes-
sional standards are within the reach of every owner, even during daylight synchro — flash
photography — an area which has traditionally required considerable skill.
49
Taking Daylight Synchro-Flash Photographs (Super FP Flash Mode)
For OTF Auto using the Normal OTF Flash mode, refer to the F280 instruction manual.
Slide
the
F280
into
the
accessory
shoe
and
secure it with the lock screw.
50
Turn the power switch ON.
Check the charge indicator.
Set the mode switch to SUPER FP.
51
Set the camera mode to AUTO.
Select an aperture that results in a shutter speed
faster than 1/60 sec. (for slower speeds consult the
F280 manual).
52

Produktspecifikationer

Varumärke: Olympus
Kategori: Inte kategoriserad
Modell: OM-4T

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