Definition of depth of focus in English:

depth of focus

Syllabification: depth of fo·cus

noun

The distance between the two extreme axial points behind a lens at which an image is judged to be in focus.
More example sentences
  • In addition, it is difficult to change between laser lines rapidly, and it is difficult to retain the exact depth of focus of the different excitation wavelengths.
  • Because the depth of focus in these experiments was ~ 2 [mu] m, particles from several different planes are captured in the images.
  • The depth of focus and high-resolution magnification yield data about technology and composition.

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