What causes those "bulls eyes" on "bokeh"?

Since your camera is not the type that allow you to change lens, so I do not think you can avoid that. I agree with Bigmike that it is the characteristic of the optics in your camera.

Also, thanks Bigmike for the "Heart shaped Bokeh" tips.
 
THIS kind of bokeh... I'm sure I have a worse example somewhere, but I cant seem to find it and its noticeable enough here. See how the circles on the middle right are like a circle within a circle?

DSC05022.jpg

That lens has what is commonly called "bad bokeh".

The circular rings, onion bokeh, are caused by spherical aberration.

Spherical aberration - Wikipedia, the free encyclopedia

Click on the illustration to enlarge it.
 

I/m just a noob here too, so this is just a guess, but it looks to me like you took the picture in front of a window, correct? Is it possible that the wind was blowing the trees around outside and therefore moving the light through the trees and causing multiple circles. You did say that it only happens sometimes. Please don't beat me up to bad!:lol:

Just my .02 cents
Gary
 
Gary -

Nope, cause it does that when I'm outside taking outside pictures, and inside taking inside pictures, and inside taking outside pictures. So that cant be it. :)

Thanks everyone
 

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