Definitions
Photography artifacts: unwelcome and unnatural elements or distortions
pictoralist:international style and aesthetic movement that dominated photography during the later 19th and early 20th centuries.
megapixel: The size of an image
latent: The invisible pattern of physical or chemical changes in a light-sensitive material resulting from an exposure to light.
Exposure metering: An instrument for measuring the intensity of light .
Camera obscura:a darkened box with a convex lens or aperture for projecting the image of an external object onto a screen inside
Bit depth:Measure of amount of information that can be registered by a computer peripheral
Lens Filter:a camera accessory consisting of an optical filter that can be inserted into the optical path
Histograph;Statistical graphical representation showing the relative numbers of a variable or part of a range of variables
bracketing:the general technique of taking several shots of the same subject using different camera settings.