Cleaning The Cmos Sensor - Pentax K-50 Operating Manual

Cleaning the CMOS Sensor

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If the CMOS sensor becomes dirty or dusty, shadows may appear in the
image in certain situations such as when shooting against a white
background. This indicates that the CMOS sensor must be cleaned.
Removing Dust by Shaking the CMOS Sensor
(Dust Removal)
Shaking the CMOS sensor removes dust from the sensor unit.
1
Select [Dust Removal] in the [R Set-up 4] menu, and press
the four-way controller (5).
The [Dust Removal] screen appears.
2
Press the 4 button.
The Dust Removal function is activated
by shaking the CMOS sensor.
To activate the Dust Removal function
every time the camera is turned on and
off, set [Startup Action] and [Shutdown
Action] to O.
When Dust Removal is completed, the
camera returns to the [R Set-up 4] menu.
10
Dust Removal Dust Removal
Dust Removal Dust Removal
Startup Action Startup Action
Shutdown Action Shutdown Action
MENU
Start Start
OK