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.
Definition of depth of focus in:
- The British & World English dictionary