An example of an image aberration from a Canon HV30+Letus35 Mini. The centre of the image has waves running down through the middle of it.

View full screen to see the issue more clearly.

I sometimes get these artifacts. There were probably 12 shots of this building. Only 1 has this heat wave effect.

See another example:
vimeo.com/5788004

With reference to this thread on Canon HV20/30+Letus35 Mini
vimeo.com/groups/8256/forumthread:6666