Olympus OM-4 - Specifications

Specifications
Type: TTL auto-exposure 35mm SLR
camera
Film Format: 24mm x 36mm
Lens mount: Olympus
OM mount
Shutter: electronically controlled cloth focal plane shutter; 1/2000 sec.
max.
shutter speed; 1/60 sec.
mechanical shutter speed
Synchronization: X contact (synchronization at speeds
of
1/60 sec
or slower);
hot shoe with contact
for T
series
flash;
5-pin
connector for T series flash;
PC synchro socket
Light measuring
method: Center
-weighted, average light
measurement.
switchable to
spot
measurement; spot
measurement selective in 3 modes;
multi-spot,
highlight-and
shadow-based methods.
Automatic exposure control by
average light measurement: TTL Direct
"off-
the-film"
Light Measuring
with aperture-preferred
electronic shutter;
exposure
control range: about 1 min.
1/2000 sec. (approx.
-5 EV
—
19
EV at ISO/ASA 100,
50mm F1.4.
normal temperature and
humidity);
t2 EV
exposure compensation
Automatic
exposure control by spot
measurement: TTL spot
metering
memory system (with AE
lock); exposure
control range: about 4 min.
—
1/2000 sec.
(approx.
-7
EV
~
19 EV at
ISO/ASA 100.
50mm F1.4.
normal
temperature and humidity);
*2
EV exposure
compensation
Automatic exposure memory control: Exposure value memory
system (60
min. limiter)
Manual exposure control: B. 1 sec- 1/2000 sec. (synchronization at speeds
of
1/60 sec. or
slower)
Film speed: ISO/ASA
6^3200
Film advance: Film advance lever with
t30° angle
for one long or several short
strokes and pre-advance angle
30°;
motor drive and winder usable
Film rewind: Rewind crank (motorized rewind with Motor Drive 2 possible)
Viewfinder:
Viewfinder with dioptirc correction; dioptric
correction range
+
1.0
~~
-3.0
diopters; interchangeable
focusing screens;
microprism/split
imagemaite type
screen standardized; finder
viewfield: 97% of actual
picture field;
magnification:
0.84X at
infinity with
-0.5
diop. and
50mm
lens
Viewfinder
information: LCD multi-mode
dispaly (2-min.
limiter);
built-in
illuminator.
(10-sec. limiter)
Sell-timer: 12-sec.
delay electronic self-timer
Battery check: 3-level display with LED
and alarm sound;
automatic lock
with batteries exhausted
Power Source: Two 1.5V silver-oxide
batteries SR44 (Eveready
EPX-76,
alkaline manganese
batteries LR44 or equivalent)
Camera back: Removable hinge type,
with memo
holder; interchangeable
with Recordata
Backs and 250 Film Back
Dimensions: 136 x 84 x 50mm
(5.35" x
3.30"
x
1.97") (body alone)
Weight: 540g (19 oz.) (body
atone)
A -63