Understanding White Balance

Updated: Jun 26, 2018

Understanding the concept of White Balance


White balance is the fourth most important camera setting, after the exposure triangle (shutter speed, aperture, and ISO), that must be decided. White balance is the important key that decides the look of any image, by designating, "what color should appear white" in any photograph. That is, for example, if we click a photo of a grey or white subject in outdoor under broad daylight, and if we set the white balance to daylight, then the picture of that subject would be "correctly" rendered grey or white.


The White Balance setting we choose, in any camera or post processing software, changes the color balance in our pictures, making it warmer or cooler depending on what sort of light temperature we're shooting in.

The simplest option to get best White Balance setting is to put it on Auto Mode. While, the camera's White Balance presets give us more control over color.


The color of the light effects the color of our photographs. Sometimes it's not possible to notice this change with our naked eyes because our minds adapt very quickly to perceive the color of the light as neutral, even if it's not. That's why pictures taken at dusk or dawn have a cold, blue look, and pictures taken under household lighting have a warm, orange color tint.


DSLRs have settings to control 'White Balance' and set the color shifts. It happens when the camera processes and saves our pictures. For example, if we take a picture under broad day lighting, the camera can reduce the amount of blue in the colors and boost the orange to produce more neutral colors.


Which one is better - Auto or Manual ?

Choosing the Auto White Balance mode is the most easiest option. Earlier, it was not much of a good choice, but over the years Auto White Balance systems in cameras are improved and the results we get now are certainly much better than they were in the early days.


But Auto mode can't be trusted always. It may fail to correct certain kinds of lighting strongly. This happens when we are shooting with artificial lighting, which may still produce a warm color cast even with auto White Balance switched on. At the time of sunsets or landscapes, sometimes auto White Balance corrects color casts itself even if we don't want it to.


This is why nowadays almost all DSLRs come with White Balance 'presets'. These are tuned to provide a fixed correction for common lighting scenarios such as Daylight, Flash light, or Dusk. The camera relies on us to choose the right setting for the scene.


These presets gives us more control over the White Balance, and hence we get better results.


The Power of 'RAW'

If we shoot in JPEGs, the camera discards all 'unwanted' color data as per our White Balance setting. And once it's gone, it can't be retrieved, even if we realize that we have made a mistake.


Whereas if we click the photographs in RAW format, it automatically . The camera puts our preferred White Balance setting in the file as default, but it's totally optional - as we can change it later in any post processing software like Photoshop or Lightroom.


Processing of Image in Camera Raw softeare

It's still useful to set the White Balance on the camera. It will save time later if your RAW files have the best White Balance setting applied, and by choosing a consistent White Balance during your shoot, you ensure that the color rendition will be consistent across all your shots.


While it's tempting to leave your camera set to auto White Balance and trust it to get the right colors, you'll get better, more consistent results if you take control of the White Balance yourself.


Tags: #Camera #Photography #WhiteBalance #RAW #JPEG #AutoMode #ManualMode #Color

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