All calculators
Diffraction Calculator
Find the aperture where diffraction starts to limit sharpness for your sensor format.
Results
- Diffraction-limited aperture
- f/22.4
- Airy disk diameter at your aperture
- 10.7 µm
Stopping down beyond this aperture starts to visibly soften detail, even though depth of field keeps increasing.
The size of the smallest point of light your lens can resolve at this aperture, due to diffraction.