Definition of lenticular term

Screen angle
A photograph is a continuous tone (contone) image but, for real world printing press, colors are simulated by half tone screens. Four process inks, namely cyan, yellow, magenta, and black are the most common. Each half tone screen is comprised of a series of dot. To ensure less noticeable perception of the pattern. Each halftone screen is rotated and placed at some angle to the original image, which is called "screen angle.".

Conventional screen angle is Black (45 degree), Magenta (75 degree), Cyan (15 or 105 degree) and Yellow (0 or 90 degree).

Unique pattern called "moire" wil be formed when half tone screens are placed over each other but not all of these patterns are desirable for printing. It applies to both traditional CYMK and lenticular printing.

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