what to do with this problem
The light of the bulb flowing over the flowerpot.
Oversaturated pixels pouring signal to the neighbouring ones?
I shot my friend's agama terrarium and this is what happened. Is there any way how to make sure it doesn't happen again or is it just a "feature" I'll have to live with? I've never noticed anything like that on any other pictures I've taken so far.
What is this problem called?