Depth of field (approx mm)
Depth of field (approx mm): enter F-stop, CoC mm, Focal mm, Distance mm and get an instant result in your browser. Free, private, no account.
Depth of field (approx mm) applies 2 * N * c * f * f / (d * d) to the values you enter (F-stop, CoC mm, Focal mm, Distance mm). Use it for quick image estimates from your own numbers—not for regulated engineering, tax filing, or clinical decisions. Everything runs in your browser; nothing is uploaded to our servers.
How to use
- Open Depth of field (approx mm) and read the field labels (F-stop, CoC mm, Focal mm, Distance mm).
- Replace defaults with figures from your spreadsheet, lab sheet, or quote.
- Press Calculate and note the output before changing another input.
- Bookmark this page if you reuse the same calculation often.
FAQ
Which numbers belong in Depth of field (approx mm)?
Only the on-page labels: F-stop, CoC mm, Focal mm, Distance mm. The tool does not guess hidden assumptions.
How does Depth of field (approx mm) compute its result?
It evaluates 2 * N * c * f * f / (d * d). If your source uses different symbols, map them to these fields first.
Can I paste the Depth of field (approx mm) result into Excel or Sheets?
Yes—copy the number and keep your own documentation of inputs for audit trails.
Is Depth of field (approx mm) a substitute for professional image software?
No. It is a lightweight browser helper for one relationship; use certified tools for compliance work.