I have a Panasonic Lumix compact camera, which, out of nowhere, caught some dirt between the lenses or the sensor.
I made sure it wasn't in The exterior of the lens.
Zooming (optically) did not change the size or position, but at best it became more or less fuzzy (but never sharp).
This is what the lower left room of a photo looked like:
I tried to expose the camera to moderate forces (shake, twist) at different target positions (i.e. optical zoom levels), but the particle did not move at all.
I did not open the camera.
Then when I tried to take another photo to demonstrate the effect, the thing disappeared as suddenly as it came.
Obviously something I did made it move, but I have no idea what.
Years later it happened again. This is the lower right corner of a photo of a white background:
My problem was luckily resolved, but I wonder what specific efforts I could have made. That is why I am asking: If a piece of land gets stuck somewhere in the optical path of a compact camera, what are the possible actions that can remove it? I'm only interested in solutions that don't involve disassembling the device.