Pentax Optio RZ18 用户手册

3

You can select the sensitivity to suit the brightness of the surroundings.

1

Press the 3 button in A mode.

The [A Rec. Mode] menu appears.

2

Use the four-way controller (23) to select [Sensitivity].

3

Press the four-way controller (5).

A pull-down menu appears.

• When the shutter release button is pressed halfway, the brightness is 

metered and the exposure is determined.

• When the subject is outside the focusing area and you want to use 

N

(Spot AE metering), aim the camera at the subject and press the 

shutter release button halfway to lock the exposure, then compose 
your picture again and press the shutter release button fully.

• Depending on the selected shooting mode, the AE metering setting 

may not be changed. Refer to “Functions Available for Each Shooting 
Mode” (p.228) for details.

• If you change the [AE Metering] setting frequently, you can save time 

by assigning it to the Green button (p.123).

Saving the AE Metering setting 1p.131

AUTO The sensitivity is automatically adjusted by the camera. (Sensitivity 80 - 1600)

80

The lower the sensitivity, the less noise that affects the image. The 
shutter speed will be slower in low light conditions.

100
200
400
800

1600

Higher sensitivity settings use faster shutter speeds in low light 
conditions to reduce camera shake, but the image may be affected by 
noise.

3200
6400