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Depth of field calculator.
Estimate the near and far limits around your chosen focus distance.
Compare near limit, far limit and hyperfocal distance. Download the inputs and results as PDF or CSV.
What can I download?
Compare near limit, far limit and hyperfocal distance. Download the inputs and results as PDF or CSV.
How is this result calculated?
With all distances in mm: A = f² / (N × c), H = A + f. Near = sA / (A + s − f). Far = sA / (A − s + f), or infinity when s ≥ H. Thin-lens geometric estimate. Circle of confusion is a chosen acceptable-blur criterion, not a guarantee of sharpness. Lens design, diffraction and viewing conditions can change the result.
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