Other than the usual Panasonic digital camera problems associated with user error, Panasonic cameras do hold up well when taking clear pictures. If you buy the W30 digital camera, which is supposed to be waterproof, you might find out that not every camera stands up to this particular statement. The customer service is not very helpful if something happens to this and many other cameras.
It can take up to eight weeks before you receive your camera back from the manufacturer. They explain everything in detail and seem to leave nothing unsaid about operating the Pentax cameras. The biggest problem with the Pentax digital cameras is the warranty coverage and the time it takes to send your camera in for repairs. Pentax digital camera problems are not something you hear about, but that may be because Pentax gives you very clear digital camera basics for operating their cameras. Before buying any digital cameras, you should read the reviews and check for any recall alerts from the manufacturer to ensure you are getting a good camera that will give you only the best quality pictures. When you buy any camera, especially a Pentax digital camera, you should check the lens to make sure no damage has been done during shipping or assembly.
You should always look for a underwater camera that is highly rated by users before selecting any underwater camera. As for some other Pentax digital camera problems, they are not so much about the camera as much as it is what you can and cannot do with the camera.