good advice.
Nevertheless I would suggest you should personally learn more about how digicams (like the FZ series) focus - and how this differs from the focusing system of dslrs. Your bird/brach shot is an almost impossible shot for a digcam and very, very hard for a dslr. There are a number of times when neither a digicam nor a dslr will be able to autofocus. (A solid-color wall with minimal texture is a good example._
Autofocus is not magic and not infallible. This is why the camera manual has instructions on "what to do when autofocus fails."
I had a similar problem trying to focus with my FZ30 on a large screw protruding from my tire. The problem turned out to be that I was trying to focus too close to the subject (when not in macro mode).
Seriously a little study will make all of this a lot easier and a lot more understandable. It is possible, of course, that you do have a warranty issue, but the FZ30 is not known for problems, and from your description I think the problem may be you are not yet familiar with the camera.
Please be aware the FZ30 is a pretty complex camera, and the very flexiblity and range of options we all enjoy mean it is easier to go wrong.
I am not precisely sure where to suggest you look for information. Both this site and
http://www.imaging-resource.com/ have quite good sections on how to do it, and this site has a good deal also - so much, in fact that some persistence in looking is necessary :
http://luminous-landscape.com/index.shtml
Best wishes and good luck.
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Best wishes, rennie12
'Do not wish for things to be as you would like them to be -
Wish to like things as they are'