Shutter Speed at F1.2

Exposure range of OM-2 in automatic mode

Exposure range of conventional

AE SLRs

Advantageous Points of Through-The-Lens Direct (off-the-film) Light Measuring Method

1.The OM-2 sensors respond instantly to changes in the light during exposure and feed back the information to the shutter control mechanism.

2.The sensors measure flash intensity as it builds up and cut off its light at the source when the correct exposure level is reached. (TTL Cen- tralized Control Flash)

3.Even during 5-frame-per-second motor drive operation, this Method insures correct ex-

be automatically exposed for up to 120 sec- onds at F1.2.

5.The Method excludes all possibilities of stray light leaking through the camera eyepiece and affecting the exposure reading.

6.The Method gives correct exposures even when the clear-field type focusing screen is in use.

posure for each frame individually.

4.The Method operates accurately in far dimmer light than other systems. ASA 100 film can

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Olympus OM-2, zm2000qdk manual