Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Optics
F-Number Calculator
Compute the f-number (f-stop) of a lens by dividing its focal length by the aperture diameter. Use it when selecting lenses, comparing lens speed, or setting exposure in photography.
Fill in the required fields to see your result.
Optics
Polarization Calculator
Calculate the intensity of light transmitted through a polarizer and analyzer using Malus's Law. Perfect for optics students and engineers designing polarized optical systems.
Fill in the required fields to see your result.
Key differences
| F-Number Calculator | Polarization Calculator | |
|---|---|---|
| Category | Optics | Optics |
| Inputs required | 2 | 4 |
| Result | F-Number | Transmitted Intensity (W/m²) |
| What it does | Compute the f-number (f-stop) of a lens by dividing its focal length by the aperture diameter. Use it when selecting lenses, comparing lens speed, or setting exposure in photography. | Calculate the intensity of light transmitted through a polarizer and analyzer using Malus's Law. Perfect for optics students and engineers designing polarized optical systems. |