Sometimes what you can see is not true at all. Yes, it’s an illusion. Usually, we capture through the lens what we see but many a time we catch unexpected visions. It seems our own eyes play tricks on us.
It’s the optical illusions which when involved with photography get this freaking result. What they appear to be is actually not.
Scroll down to a list of illusionary pics that will easily depict that what you can see through the lens is actually not.