Circle Of Confusion

Views Updated: Dec 15, 2025

Key Facts

Abbreviation
COC
Pronunciation
/ˈsərkəl əv kənfˈjuʒən/
Category
Governmental
Related Field
Military

Examples in Context

  1. For a triangular aperture we no longer see a circle of confusion, but rather a triangle of confusion.
  2. The size ( diameter ) of the circle of confusion depends simply upon how far the film is from where that particular detail of the image is focused.
  3. Ideally, a lens produces a circle of confusion that is simply a uniformly illuminated shape corresponding to that of the lens aperture.
  4. The camera then paints a fully detailed picture, using an amount of light corresponding to that for each detail, spread over a disk the size of the circle of confusion appropriate for each detail in turn.
  5. By applying the theory of the depth of filed, how to calculate the depth of filed in film-camera and digital camera and how to decide the parameters of the diameter of the permitted circle of confusion.

Other meanings of COC