Nikon D50 D50 User's Manual - Page 49
Sensitivity (ISO Equivalency
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Reference-Sensitivity (ISO Equivalency) Sensitivity (ISO Equivalency) Controls used: ➤ Shooting menu ➤ ISO Photographs taken at slow shutter speeds are prone to blurring. If sensitivity is raised above the default value of ISO 200 equivalent, the same exposure can be achieved at faster shutter speeds, preventing blur. Sensitivity can be set to values between ISO 200 and ISO 1600 in steps of 1EV. Digital Vari-Program Modes At default settings, manual sensitivity adjustment is not available in , , , , , , and modes. Instead, the camera adjusts sensitivity automatically. To adjust sensitivity manually, select Off for Custom Setting 9 (ISO Control; 91). The ISO Button If the monitor is off, sensitivity can be set by pressing the (ISO) button and rotating the command dial until the desired value is displayed in the control panel. Sensitivity "Sensitivity" is the digital equivalent of film speed. The higher the sensitivity, the less light needed to make an exposure, allowing higher shutter speeds or smaller apertures. Just as higher speed films tend to be "grainy," pictures taken at high sensitivities are prone to mottling. 39