Samsung Digital Camera User Manual (en)

Camera maintenance
 Camera body 
Wipe gently with a soft, dry cloth.
Never use benzene, thinners, or alcohol to clean the device. These 
solutions can damage the camera or cause it to malfunction.
Do not press on the lens cover or use a blower brush on the lens 
Cleaning your camera
  Camera lens and display 
Use a blower brush to remove dust and wipe the lens gently with 
a soft cloth. If any dust remains, apply lens cleaning liquid to a 
piece of cleaning paper and wipe gently.