" The human eye has color receptor "cone" cells which are sensitive to red, green, and blue wavelengths of light. The brain combines the signals from these three receptors to form the perception of all colors. For example, the perception of a ...

Color management is the practical application of the science of color perception and reproduction to make it possible to predict and previsualize how colors will be reproduced using differing mediums such as fabric and photographic dyes, CRT ...

Speedlight Pro Kit’s latest innovation, a flash-mounted 46cm beauty dish, is being launched in Europe. Designed for portraiture, the beauty dish consists of two key elements; a large white collar and an inverted silvered cone mounted withi ...

"Color management" is a process where the color characteristics for every device in the imaging chain is known precisely and utilized to better predict and control color reproduction. For digital photography, this imaging chain usually starts ...

"Bit depth quantifies how many unique colors are available in an image's color palette in terms of the number of 0's and 1's, or "bits," which are used to specify each color.  This does not mean that the image necessarily uses all ...

"White balance (WB) is the process of removing unrealistic color casts, so that objects which appear white in person are rendered white in your photo. Proper camera white balance has to take into account the "color temperature" o ...

"Understanding image histograms is probably the single most important concept to become familiar with when working with pictures from a digital camera. A histogram ca ...

Quantity Among all the aspects of light, quantity is the easiest to control and manipulate. In fact, most of the controls found on your camera is designed for this function. The quantity or amount of light is controlled by your camera's IS ...

"The Gray Card is a process control benchmark for color management. Without one our camera, monitor and printer are only as good as our eye's ability to discern color, and our eyes are easily fooled. Absent any external reference our eyes wil ...

"For a correct exposure you want all the channels in all parts of the photo to be below the point they max out and loose detail. As a starting point you need to set the color balance of the camera to match the color of the light so when a bri ...

Sharpness describes the clarity of detail in a photo, and can be a valuable creative tool for emphasizing texture.  Proper photographic and post-processing technique can go a long way towards improving sharpness, although sharpnes ...

The hardness of the light will generate dark shadows. The direction of the light will place those shadows in unattractive positions underneath the subject's eyes and nose. One solution is to move the subject into the shade where he will be li ...

"Understanding camera lenses can help add more creative control to digital photography. Choosing the right lens for the task can become a complex trade-off between cost, size, weight, lens speed and image quality. " "This tutorial aims to ...

Even on a cloudy day, when you step indoors, the level of the light drops by more than 5 f-stops. So, on that same cloudy day when the exposure might be ISO 100 at 1/60 at f/8, indoors the exposure suddenly becomes ISO 400 at 1/15 at f/4. On ...

Sharp Develops Five-Primary-Color LCD That Faithfully Reproduces Real Surface Colors Prototype to Be Exhibited at the SID 2009 International Display Symposium Sharp Corporation has developed a five-primary-color display that faithfully ...