Astro-Calculation

Filter Bandpass Shift Calculator based entirely on CuivTheLazyGeek video.

Optical Calculation

Bandpass Center (nm)

FWHM (nm)

Effective Refractive Index

Flat Top (nm)

Peak Transmittance (1 is 100%)

Aperture (mm)

Focal Length (mm)

Central Obstruction (mm)

Target Wavelength (nm)