Pentax 12050 Digital Camera User Manual


 
84
Shooting Functions
4
Set the range in which the sensitivity is automatically adjusted when the
sensitivity is set to [ISO AUTO]. The sensitivity is automatically corrected
in the range of [ISO 100-3200] by default.
1
Select [ISO AUTO Setting] in the [A Rec. Mode 3] menu
and press the four-way controller (5).
The [ISO AUTO Setting] screen appears.
2
Press the four-way controller (5)
and use the four-way controller
(23) to set the minimum
sensitivity.
3
Press the four-way controller (5) and use the four-way
controller (23) to set the maximum sensitivity.
The sensitivity can also be changed by pressing the o button once, taking
your finger off the button and turning the rear e-dial (S). In this case, the
sensitivity is fixed when the o button is pressed again or the exposure
metering timer (p.104) elapses.
When the exposure mode is set to B (Green), L (Shutter & Aperture
Priority Automatic Exposure) or C (Movie), the sensitivity is fixed to [
ISO
AUTO] and the setting cannot be changed.
When the exposure mode is set to K (Sensitivity Priority Automatic
Exposure), a (Manual Exposure), p (Bulb Exposure) or M (Flash X-sync
Speed), the sensitivity cannot be set to [ISO AUTO].
The sensitivity range can be expanded to a range of ISO 80 to 51200 when
[3. Expanded Sensitivity] in the [
A
Custom Setting 1] menu is set to [On].
However, the minimum sensitivity is ISO 160 when [Highlight Correction] is
set to [On] in [D-Range Setting] (p.190) of the [
A
Rec. Mode 3] menu.
Captured images may show more noise if a higher sensitivity is set. You can
reduce image noise by setting [High-ISO NR] in the [
A
Rec. Mode 3] menu. (p.85)
You can select whether to set the sensitivity in increments of 1 EV or in
accordance with the EV step setting for exposure (p.106). This can be set in
[2. Sensitivity Steps]
of the [
A
Custom Setting 1] menu.
Setting the Range of Automatic Sensitivity Correction
ISO AUTO Setting
AUTO ISO Parameters
Cancel OK
OK
MENU
ISO
AUTO
100 3200-