Depth of Field
Compute hyperfocal, near/far limits and DoF from focal length, f-number, focus distance and circle of confusion.
Input Data
Input Focal length.
mm
Input f-number.
Input Focus distance.
m
Input Circle of confusion.
mm
Results
43.1034m
8.1169m
13.0208m
4.904m
H = f²/(N·c); near/far = H·d/(H±d).
At a glance:Depth of Field: enter parameters to compute results; complements related calculators.
Formula
Hyperfocal H = f²/(N·c); near = H·d/(H+d); far = H·d/(H−d) (d<H).
How to Use
- Enter focal, f-number, distance, CoC.
- It returns hyperfocal, near/far, DoF.
Case Studies
50mm, f/2, 10m → DoF≈4.9m
Stopping down (e.g. f/8) widens DoF greatly.
FAQ
CoC?
Default 0.029mm (full-frame); APS-C ≈ 0.019mm.
Related Tools
References
Content review: Calculatorism Science Team. Formula and numeric tests verified; results for reference only.