f stands for various terms. Discover the full forms, meanings, and possible interpretations of f across different fields and industries.
In geometrical optics, a focus, also called an image point, is the point where light rays originating from a point on the object converge. Although the focus is conceptually a point, physically the focus has a spatial extent, called the blur circle.
Governmental & MilitaryMilitaryPhotography(of a liquid, gas, or electricity) move steadily and continuously in a current or stream. Go from one place to another in a steady stream, typically in large numbers.
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