Olympus OM-2 - Page 19

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Exposure Meter Needle
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Exposure Meter Index
If the Exposure Needle Does Not Center on the Index
If an exposure or a shutter speed is i mproperly selected, the
exposure needle will not center on the index . Read just the
s hutter speed or F stop until the needle is centered.
You may use an ND (neutral densi ty) filter if the subject is
too bright, or an electronic flash or flash bulb if the subject
is too dark .
18
ASA 100
50mm F 1.8 lens,
1/2 sec.
fully opened
ASA 100
50mm F 1-.4 lens,
1/2 sec.
fully opened
ASA 100
55mm F1.2 lens,
1/2 sec.
fully opened
Light Measuring Range of the Exposure Meter
The measuring range is EV 1.5- EV 17 (ASA 100 , with F 1.2
standard lens). The list above summarizes the lowest meas-
urable limit in dealing with extr eme low light cond i tions .
CAUTION: If the aperture ring or shutter speed ring is turned
below the l imits in the list, with extremely low light ing or
the selec tor lever OF F. the needle sometimes moves, but
the meter is not functionning.