Pentax K20D manual Cleaning the Cmos Sensor, Removing Dust by Shaking the Cmos Sensor

252Cleaning the CMOS Sensor

Shadows may appear in the image for white backgrounds and other shooting conditions if the CMOS sensor becomes dirty or dusty. This indicates that the CMOS sensor must be cleaned.

Removing Dust by Shaking the CMOS Sensor

The Dust Removal function shakes the CMOS sensor to remove dust that has collected.

1

Select [Dust Removal] in the

[R Set-up] menu and press the four-way controller (5).

Dust Removal

Dust Removal

Start-up action

MENU OK Start

2

Press the 4button.

The Dust Removal function is activated by shaking the CMOS sensor.

Select [Start-up action] and use the four-way controller (45) to select O (On) to turn Dust Removal on every time the camera is turned on.

Detecting Dust on the CMOS Sensor (Dust Alert)

Dust Alert is a function that detects dust adhering to the CMOS sensor and visually displays the location of the dust.

You can save the detected image and display it when performing sensor

12cleaning (p.254).

Be sure to have a lens attached when using the Dust Alert function.

Appendix