Correcting White Balance And Color Temperature
Our eyes and the visual area in the brain are complex, adaptable tools that we use to sense the world around us. Because of their plasticity, we are able to automatically adjust colors so that they appear normal despite the lighting that affects the image. However, cameras are not as adaptable. Thus, certain lighting situations can throw off the white balance, making your color temperatures seem abnormal.
Different types of lighting can throw different color casts onto your photo. For instance, fluorescent lighting can give your photos a bluish tint that you do not notice with your naked eye. This can affect the color temperature of your image, making your picture appear too cool. If the picture comes out overly orange or red, it is referred to as too warm.
To have true to life color, you must perform a white balance before you begin taking your pictures. Both digital and film cameras require white balances, although the techniques are different for the different camera types. With film cameras, you cannot alter the way that the film absorbs the light. Thus, the change must be made with the lens itself. You have to put different filters over your lens so that it cancels out an overly blue or red tone.
Digital cameras, however, can change the way the color looks without a filter. Most digital cameras come with automatic settings, such as fluorescent, tungsten, outdoor, snow, and night, that take into account the general color tint that is given by each of these lighting sources. Additionally, you can sometimes manually adjust the white balance by choosing a control white and then applying that to the overall picture. This is called choosing a white reference.
Also, you can use other references such as something called a gray card. A gray card is created to be a perfectly neutral tone that will reflect different colors based on the type of light that is shining on it. By looking at how the light affects the appearance of the gray card, you can change your camera settings to balance out this effect.
Additionally, you can use photo-editing programs on your computer to change the color temperature. Although this cannot always make the photo appear naturalistic and true to life, it can help balance any issues that may make the image appear washed-out or too red.
Once you have your white balance correct and your color temperature perfect, you may want to display your beautiful photograph for everyone to appreciate. If this is the case, you should consider turning it into a canvas work of art. Both film and digital images can be put to canvas. For more information regarding this process, please visit YourCanvasPhotos today.
About the Author
Camera tutorials- White Balance
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