Diffraction Disk and Pixel Comparison

How to use this tool

1. Compare Airy disk diameter with sensor pixel pitch.
2. Set wavelength, f-number, pixel pitch in the indicated units.
3. Calculate and compare airy disk diameter, disk diameter in pixels.

Try this example

{
  "w": 550,
  "n": 8,
  "p": 4
}

Accuracy and scope

Idealized educational model. Enter measured values in the displayed units; real systems may require additional corrections.

Is my data uploaded?

This tool runs locally in your browser. Input and output are not sent to a processing server. Copy or download your result before leaving the page.