OMBody OM 4TI 101200

User Manual: OM-4TI 101200

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OM4Ti and OM4T catalog number 101-200

OM3Ti catalog number 101-290

The OM system has a get back to basics ideology, offering what we feel are the best optics, metering and
user features to give the photographer the ability to
achieve their own creative ends. These OM cameras are
for those who feel that to truly create the image you
desire, you need to control all the variables.

shutter button, the meter system used to take a picture
is the average center-weighted meter. Although the center- weighted meter is excellent for general daylight exposures, it may not meet the needs of every photographic
situation. To overcome difficult exposure situations,
Olympus added spot metering to these OM cameras.
Reading only 2% of the image area this metering system is one of the most accurate meters on the market
today.

The rugged and durable titanium bodies of the OM4Ti,
OM4T and OM3Ti are backed by a group of 37 Zuiko
Lenses, a variety of Flashes, Drives, and other accessories. They give the photographer the perfect light weight
camera for their photographic applications. Both Cameras offer the superior TTL/OTF Flash system pioneered
by Olympus, plus multi-spot metering, average metering, highlight and shadow compensation, and manual
exposure controls. The OM4Ti and OM4T also offer
OTF metering and spot and multi-spot metering in the
automatic mode.

Taking the advantage of spot metering to the next level
Olympus allows the photographer the ability to read
and use multiple-spot meter settings. By reading multiple areas of the image, total creative control for each
individual image is returned to the photographer. These
OM cameras can take up to 8 spot readings, indicating
with a diamond dot above each reading on the
viewfinder graph. When faced with a particularly tough

The OM3Ti, OM4Ti and OM4T use an advanced flexible exposure control system. When pressing only the
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light condition, the multi spot metering system is the
answer.

appearing image. The shadow control automatically
adjusts the exposure by -2.6 stops creating rich black
with detail.

All meters are designed to read light as an 18% gray,
which works well most of the time. Film has approximately a 5 stop exposure range from black to white,
with 18% gray being at the theoretical center of this
exposure range. When photographing white or black,
the meter tries to adjust to gray causing the camera to
over or under expose. To overcome this inherent problem, Olympus added highlight and shadow exposure
controls to these OM cameras.

The OM 4Ti, OM4T and 3Ti also have an exposure compensation dial, allowing over and under exposure control from +2 to -2 stops in 1/3 stop increments. This
control can be used with either the center-weighted or
spot meters for creative control.

When photographing a white or a bright subject the highlight control is used in conjunction with the spot meter
of the camera.Highlight adjust the exposure by +2.3
stops giving you white with detail.

The dedicated flashes for the OM system also work with
the unique OM metering system to allow flash exposure through the lens. The TTL flash system works with
all the T series OM flashes and the F-280 OM flash. By
reading the light striking the film the camera gives the
most accurate flash exposures, even in difficult exposure situations, with a variety of apertures. This Metering advantage works on the OM3Ti in the Manual TTL
flash mode and in the automatic exposure mode on the
OM4T and OM4Ti.
Without using the highlight control, the camera underexposes by the same 2.3 stops creating a gray appearing image.

The OM4T, OM4Ti, and 3Ti also feature High speed
full syncro flash with the F-280 flash. When connected
to these cameras the flash offers flash synchronization
from 1/60 second to 1/2000 of a second, as well as normal TTL flash at 1/60 second. The Super FP flash mode
with its long duration flash is designed for fill in flash,

The situation is reversed when photographing black, the
meter will over expose by 2.6 stops. Like a white or
bright subject, the cameras metering will result in a gray
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close up photography or to create flash and motion at
the longer 1/60 second exposure.

In the automatic mode on the OM4Ti and OM4T you
see a shutter speed scale from 1 to 1/2000 second, with
an LCD bar made of rectangles indicating the existing
exposure. The Diamonds indicate spot exposure readings, automatically averaged by the camera. When used
in the manual mode or with the OM3Ti you will see the
selected shutter speed, with a pair of arrows and the
same broken LCD bar, indicating when you have a correct exposure.

OM4Ti main specifications:
Film Format
24mm x 36mm (35mm)
Film Speed
ISO 6~3200
Lens Mount
Olympus OM mount
Shutter
Electronic cloth focal
plane shutter.(horizontal)
Shutter Speed Range
B, 1~1/2000 manual
120~1/2000 automatic
Light Metering Method
Center-Weighted
Average Meter
2% Spot Meter
2% Multi Spot Meter
Highlight and Shadow
Control with Spot Meter
Light Meter Range
-6.5 EV ~ 19 EV
(ISO 100 @ 50mm ƒ1.2)
Flash Exposure
TTL Auto Flash @
1/60 syncronization
Super FP Flash @ 1/60
to 1/200 second syncronization.
Viewfinder
97% centered with built
in diopter from +1~-3
Weight
510g…18oz.
Dimensions
5.4 x 3.3 x 2.0 inches

These OM bodies also have a viewfinder designed for
accurate image reproduction. Matched to a mounted
transparency and being 100% centered and 97% of the
image area, they are ideal when you need the accuracy
of “what-you-see-is-what-you-get” with your SLR.
Both the OM 4Ti and 3Ti also have easy to read LCD’s.

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OM3Ti main specifications:
Film Format
24mm x 36mm (35mm)
Film Speed
ISO 6~3200
Lens Mount
Olympus OM mount
Shutter
Mechanical cloth focal
plane shutter.(horizontal)
Shutter Speed Range
B, 1~1/2000 mechanical
Light Metering Method
Center-Weighted
Average Meter
2% Spot Meter
2% Multi Spot Meter
Highlight and Shadow
Control with Spot Meter
Light Meter Range
0 EV ~ 19 EV
(ISO 100 @ 50mm ƒ1.2)
Flash Exposure
TTL Auto Flash @
1/60 syncronization
Super FP Flash @ 1/60
to 1/200 second syncronization.
Viewfinder
97% centered with built
in diopter from +1~-3
Weight
510g…18oz.
Dimensions
5.4 x 3.3 x 2.0 inches

OM Lenses:
Fisheye
UltraWide Angle

Wide Angle
Standard

Medium Telephoto

85mm ƒ2.0; 100mm ƒ2.8
100mm ƒ 2.0
Telephoto
180mm ƒ 2.8; 180mm
ƒ2.0; 200 mm ƒ4.0;
250mm ƒ2.0; 300mm
ƒ4.5; 350mm ƒ2.8.
Super Telephoto
400mm ƒ 6.3; 500 ƒ8.0
Relfex; 600mm ƒ6.5;
1000mm ƒ11.
PC
24mm ƒ3.5; 35mm ƒ2.8
Macro
20mm ƒ2.0 (bellows);
38mm ƒ2.8 (bellows);
50mm ƒ3.5; 50mm ƒ 2.0;
80mm ƒ4.0 (bellows);
90mm ƒ2.0;
135mm ƒ4.5 (bellows)
Matched Tele-Converters
1.4XA; 2XA
(for more lens information download OM Lens PDF)

16mm ƒ3.5
18mm ƒ3.5; 21mm ƒ3.5;
21mm ƒ 2.0; 24mm ƒ2.8;
24mm ƒ 2.0
28mm ƒ2.8; 28mm ƒ2.0;
35mm ƒ2.8; 35mm ƒ2.0
50mm ƒ1.8; 50mm ƒ1.2
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