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Taking Photographs—Sensitivity (ISO Equivalency)
HI-1 / HI- 2
The higher the sensitivity, the more likely pictures are to be subject to “noise” in the
form of randomly-spaced, brightly-colored pixels. Pho tos taken at HI-1 or HI-2 will
likely con tain ap pre cia ble amounts of noise.
High ISO NR ( 173)
This option can be used to reduce noise at sensitivities of ISO 400 or more (this reduces
the capacity of the memory buffer). Note that although noise reduction is always in
effect at sensitities of HI-1 and HI-2, selecting On for High ISO NR will increase the
amount of noise reduction performed.
b1—ISO Auto ( 188)
When On is selected for Custom Setting b1 (ISO auto), the camera will automatically
vary sensitivity from the value selected by the user to help ensure optimum exposure.
Sensitivity can not be set to HI-1 or HI-2 while ISO auto is on, and On can not be
selected for ISO auto is when ISO is set to HI-1 or HI-2.
b2—ISO Step Value ( 189)
Depending on the option selected for Custom Setting b2, sensitivity can also be set in
increments equivalent to ½ or 1 EV.
ISO step value set to 1/2 step ISO step value set to 1 step
If possible, the current sensitivity setting is maintained when the step value is changed.
If the current sensitivity setting is not available at the new step value, sensitivity will be
rounded up to the nearest available setting.
d5—Cntrl Panel / Finder > Rear Control Panel ( 196)
If Exposures remaining is selected for Cntrl panel / fi nder > Rear control panel
(Custom Setting d5), sensitivity will only be displayed in the rear control panel while
the ISO button is pressed. If ISO is selected, sensitivity will be displayed except during
voice memo recording and playback.