The Samsung Galaxy Camera is a point and shoot camera that uses the Android operating system. The camera features 21x optical zoom and a 16 Megapixel sensor, as well as Wi-Fi, GPS and cellular connectivity.
Marie, sounds like you are having Lens issues. here are some great suggestions to try. Ultimately it sounds like a replacement. Individual parts for the mechanism are hard to get. I would consider replacing the complete lens. Here is the guide for that.
1.1千 
894 
2.3千