Additive Color System: Means of producing an image by combining red, green and blue light, which are each approximately one-third of the visible spectrum.
Additive color system. See RGB.
Aperture, maximum. The largest size of the hole though which light enters the camera.
Additive color systems work in a directly opposite manner to subtractive color systems that work by absorbing all of the colors except the one that the object appears to be.
They form the additive color system, when combined in equal quantities they form white.
SLR
Single Lens Reflex camera - The camera's lens is used for composing the frame and capturing the image to memory.
This is called the additive color system because when the three colors are combined in equal amounts, they form white. This RGB system is used whenever light is projected to form colors as it is on the display monitor (or in your eye).
Acronym for Hue/Saturation/Intensity. An additive color system based on the attributes of color (hue), percentage of white (saturation), and brightness (intensity). Similar or identical color systems include HBL, HLS, HSB, HSL, and HSV.
HSL ...
Additive Color: A colorspace in which light is added to black to achieve a color and tone. RGB is an additive color system in which Red, Green, and Blue light are combined to make white.
 See also: Green, Blue, Image, Camera, Light
  
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