Panasonic Lumix S5 Mirrorless Camera - Manual (Page 518)

17. Materials
518
Removing dirt on the image sensor
The image sensor is very precise and delicate, so be sure to observe the
following when you do have to clean it yourself.
0 Blow dust off the surface of the image sensor using a commercially available blower.
Do not blow the dust off with excessive power.
0 Do not put the blower further inside than the lens mount.
The blower can scratch the image sensor if it touches.
0 Do not use any objects except a blower to clean the image sensor.
0 If you cannot remove the dirt or dust with the blower, consult the dealer or
Panasonic.
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Cleaning the Viewfinder
If the viewfinder becomes dirty, blow dirt off the surface of the viewfinder
using a commercially available blower, then lightly wipe with a soft dry
cloth.
0 The eye cup cannot be removed, so make sure it does not come loose when
cleaning the viewfinder.
0 If the eye cup accidentally gets removed, consult the dealer or Panasonic.