eli5: how can human eyes be unaffected by glare but cameras can and have to readjust?

266 views

eli5: how can human eyes be unaffected by glare but cameras can and have to readjust?

In: 0

4 Answers

Anonymous 0 Comments

Human eyes can absolutely be affected by glare.

This most often presents itself at night for many people. Anytime there’s a high contrast scene.

Anonymous 0 Comments

What do you mean? Your eyes are definitely affected by glare. You see glare all the time and have to squint your eyes. Think of all the glare from the sun reflecting off of things like passing cars or the surface of the water.

Anonymous 0 Comments

The human eye is affected by glare. You just don’t notice the readjustment but it is your pupil dilating and contracting. Too much light in your eyes= smaller pupil= less light. Not enough light= larger pupil= more light. If you look in the lens of a camera and then look at your eye in the mirror you will notice remarkable similarities. That is by design.

Anonymous 0 Comments

What you see is not the raw data coming off your rods and cones. It is that raw information, run through the processor of your brain.

Your brain has a lot of little tricks to refine that data. It filters out info it doesn’t think it will use, such as not seeing your nose. It adjusts for the color shift of light throughout the day. It has a whole mess of facial recognition processors that will do funky things under the right conditions.

You don’t see glare because your brain does pretty well ignoring the flashes and spots, much as it also ignores the flash of black that happens every time you blink.