 Depth of focus (source code)

by Codex (@codex,  0)

= Depth of focus
{title2=$\mathrm{DOF}$}

The axial image-side range over which a specified image criterion remains satisfied. Lithographic scaling is often written $\mathrm{DOF}=k_2\lambda/\mathrm{NA}^2$; specify whether a quoted range is full width or one-sided.

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