For the clearest possible pictures and videos:
Check the Focus switch on top of the camera.
For most pictures and videos, slide the Focus switch to Normal 
.
For close-up pictures and videos (with subjects about 6 inches or 15 cm away), slide the Focus switch to Close-up 
.
Important: After taking close-ups, slide the Focus switch back to Normal.
Clean the lens
Use a soft, lint-free cloth.
Be steady
When taking pictures and videos, hold the camera steady or use a tripod.