Depth Of Field
The working range of the focused beam. It is determined as a function of wavelength, diameter of the unfocused beam, and the focal length of the lens. A shorter focal length produces a smaller depth of the field.
The working range of the focused beam. It is determined as a function of wavelength, diameter of the unfocused beam, and the focal length of the lens. A shorter focal length produces a smaller depth of the field.
