Sparrow Criterion calculator
Resolution limit where two PSFs merge (no central dip).
Category: Imaging
Formula: d = 0.4736·λ/NA
Inputs
| Input | Parameter | Unit | Default |
|---|---|---|---|
| Wavelength | lam | nm | 550 |
| NA | NA | 0.5 |
Result with the default inputs
- Sparrow d: 520.9354 nm
Open it with your own values: put each input in the address as a parameter, for example /calculators/sparrow-criterion?lam=550. A unit other than the listed one goes in <parameter>_unit.
Read more: Wikipedia: Angular resolution, Sparrow limit