Socialist Philosopher Slavoj Zizek looks to mirror and says, " What I see is real and I see that he is fully alienated from Nature but he doesn't admit...."
Science fiction writer Issac Asimov looks to mirror and says, "This guy doesn't get excited by hearing eureka after a scientific discovery but by hearing 'that is funny'".....
The problem is that unlike other organisms that have not invested in costly big brains and depend mostly on cost effective reflexive actions for their survivals, humans are condemned to invest large energies in costly reflective actions for survival. As reflections are very costly, majority of humans tend either to outsource the reflective thinking to others (just believe in the explanations that re-enforce group identity) or tend to avoid questioning what is already there and it is why we see cultures as living fossils (they have changed very little) and the medieval institutions still persist in most societies, despite of creating conflicts and problems.
The evolutionary biologists tell us that self recognition and group recognition (through culture and religions) have survival values and had evolved over millions of years. It was basically designed for survival and reproduction (Meme Machine) not for introspection or finding the truth or unravel the reality of Universe and that is why, the philosophers have failed to answer these questions as in words of E O. Wilson, "unaided rational inquiry has no way to conceive its own process" so they suggests that, evolutionary biology has the answer to questions, where we came from, what we are and where we are going.
Still, the problem is that, when humans observe nature or observe broadly the Universe, they tend to make everything compatible to their senses and to their rationality, what some like to call Anthropic Principle. Could it be there are realities or facts that are not compatible with our senses and rationality and we are missing them? Well, that is a possibility but we have no way to confirm or reject them.
So, coming back to photography, despite of my ordinary cameras and my ordinary skills in taking pictures, I still like to shoot things around me and myself as it reminds me that, we have brains that cherish self-awareness but there is no Universal mirror that everyone sees himself/herself the same. Every picture, even every self portrait is different. We are diverse and our conscious are diverse and claims for final answer is delusional (it happened before and proved to be partially true and humanity is still discovering and learning) and the push for Universal identity is nothing more than a desire for dominance.