Using the CdS Prism Finder
Special Features
1. The CdS Prism Finder is an eye-level finder with
a built-in CdS exposure meter for accurate exposure
measurement.
2. It couples to the Aperture Ring when it is attached
to the camera.
3. An exposure meter needle indicator is visible in the
viewfinder, and its position indicates correct exposures.
Specifications
Viewfinder:
Unreversed, laterally correct image; 0.74
magnification with the standard 80mm lens set at
infinity; built-in hotshoe; eyecup
Metering System:
Center-weighted TTL full aperture,
zero-method needle indicator
Meter Coupling Range:
With f/1.9 lens and ASA 100 film:
EV 2.85 - 17; f/1.9, 1/2 sec. - f/11, 1/1000 sec. With f/2.8
lens and ASA 100 film: EV 4 - 18; f/2.8, 1/2 sec. - f/16,
1/1000 sec.
Shutter Speed Range:
1/1000 - 1 sec.
ASA Range:
25 - 6400 with aperture coupling the entire
range
Power Source:
One 1.5 V silver oxide SR44 battery or
alkaline LR44 battery
Inserting the Battery
1. Remove the Battery Chamber Cover by turning
it counterclockwise using a coin or screwdriver.
2. The underside of the Battery Chamber Cover has
a + mark. Be sure to have the + marks on the bat-
tery and the Battery Chamber Cover face each
other when you insert the battery, and then tighten
the Battery Chamber Cover.
Before inserting the battery into the Battery
Chamber, wipe the battery with a dry, soft
cloth to remove any dirt or other contaminates.
If the finder will not be used for some time, remove
the battery and store it in a cool, dry place.
Never throw used batteries into a fire or attempt to
charge a battery.
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Содержание M645 1000S
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