Why Do Our Eyes Appear Red in Photos?

If you look at old photos you took in a dark place or at night like a devil You may have left. This has to do with your eye structure as well as the technical features of the camera.

Well in the past our red eyes While we worry about destroying it, why do we almost never experience this problem in our current photographs?

The answer is in our pupils.

red eye effect, It occurs when the flash is used while taking a photo and the pupils are dilated during the shot. The choroidal connective layer behind our eyes, which nourishes the retina, contains a rich amount of Contains blood. The flash light also reflects on these blood vessels and the camera captures the red color, causing our eyes to appear red.

Why don’t our eyes appear red in photos anymore?

With the advancement of technology, cameras and smartphones, red eye problem He developed various methods to minimize it.

Found in many modern cameras and smartphones front flash feature, The main flash gives off a soft light just before it fires. This light helps the eye pupil to narrow and therefore reduce the amount of light reflected from the retina.

Also, the flash on our smartphones is not very powerful. Larger than digital cameras to aperture Because of their features, much more light is delivered to the sensor and there is no need for a flash in low-light environments.

Both our cameras and photographers now know what to do.

Developed software also prevents red eye. Even after the photo is taken, many digital cameras and photo editing software Thanks to this feature, red eyes are detected and automatic color correction is performed.

If you are having a professional shoot, the photographer already knows what he needs to do. It can project the flash onto the ceiling or wall using reflector It also prevents flash light from hitting your eyes directly. This also makes the light look more natural in your photos.

Although the use of flash is inevitable, the effect of the flash on the lens and on the camera’s to separate 1/20 of the distance It is necessary. If the person to be shot is 2 meters away, the flash head should be at least 10 cm away from the lens.

Although technology has largely eliminated the red eye problem, it is not a completely forgotten problem. Therefore, if you are going to take quick photos in low light environments, you may still see red eyes. That being the case, what if you need to turn on the ambient light or you will use photo editing software.

Our other content that may attract your attention and that you may want to read and learn about: