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Setting the film speed, Operation of camera controls – Nikon EL2 User Manual

Page 17

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OPERATION OF CAMERA CONTROLS

Setting the Film Speed

As film response sensitivity during exposure to light

(called “film speed”) varies with film type, adiustment

of the camera’s metering circuit is essential to ensure

uniform exposures under all operational conditions.
Thus, a film-speed dial (ASA graduations) is provided

for this purpose, with a safety lock mechanism built-in

to prevent accidental shifting of the dial during shooting.

To set the film speed, depress the film-speed dial lock

and, while holding the lock depressed, turn the ASA

film-speed dial until the red index mark is aligned with

the ASA value for the film in use. After setting the dial,

release the lock and test the dial to ensure that it is set

firmly at the desired ASA value. The meter is sensitive

across the full range of from ASA 12 to ASA 3200.
The film-speed dial has two graduations between each

pair of numbers for intermediate settings such as 64,

80, 125, etc. The figure below indicates the values for
all intermediate settings.