CAMERA SENSITIVITY - ISO
1
2
| Five settings can be selected for camera | |
| sensitivity: Auto, 64, 100, 200, 400, and 800; the | |
| numerical values are based on an ISO equivalent. | |
3 | ISO is the standard used to indicate film | |
sensitivity: the higher the number, the more | ||
| ||
| sensitive the film. |
Turn the function dial to the ISO position (1). Press the function button in the center of the dial
(2). Turn the front or rear control dials to change
3the camera sensitivity (3). Press the shutter- release button partway down or press the function button to set the mode.
The auto setting automatically adjusts the camera sensitivity to the light conditions between ISO 64 and 200. When any other setting than auto is used, “ISO” will appear on the data panel, and “ISO” and the set value will be displayed on the monitors.
Photographers can select a specific sensitivity setting. Like grain in
A change in ISO also affects the flash and
As the ISO value doubles, the camera sensitivity doubles; changing the ISO between 100 and 200, 200 and 400, or 400 and 800 changes the camera sensitivity by one stop or 1 Ev (p. 111). A change between 100 and 800 changes the camera sensitivity by a factor of 8 or three stops. High ISO settings (400, 800) can allow the photographer to hand hold the camera in
74ADVANCED RECORDING