If the dust has not been removed try cleaning using a blower as seen on step 3.
Sony a7rii sensor cleaning mode.
Cleaning the sony a7r3 or any sony mirrorless or any dslr is pretty simple if not a little scary.
Select cleaning mode from the setup list and select enter to start cleaning automatically.
I go over what it takes to clean the sensor on a digital camera by demonstrating on my sony a7ii.
If there are smudges of any kind on the sensor we recommend that a professional camera shop clean it.
You can also clean the image sensor manually if necessary while this message is displayed the sensor is locked in place.
You can use the cleaning mode in the camera menu to let the sensor shake the dust off.
Check our camera s manual.
Sony advises you to send the camera for a sensor cleaning to a service center and this is honestly the best course of action.
Once it s done you ll see this message on the lcd.
After a while you ll find that heat and humidity make dust particles stick to the sensor surface.
You should clean your sensor on a regular.
I use a kit that i purchased from amazon and as you can see in the video i needed to do it pretty.
Also keeping it cleaner for longer and how to do light clea.
Turn the power off.
You can recheck if dust appears with how to check for dust attached to the image sensor.
Menu setup cleaning mode enter.
This cleaning gets rid of small dust particles that haven t attached to the sensor.
Auto cleaning is finished.