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Tools for Technical Optics

Useful online applications for the optics community

Convert Optical Density to Optical Transmission and vice versa

This online tool allows you to transmute optical-density to optical-transmission and vice versa. It is a useful tool to calculate the optical transmission of a neutral density filter or to calculate the required density of an OD-filter for the desired transmission. More...


SCHOTT-Filter Calculator

Schott filter curce miniatureOur SCHOTT color glass filter calculator is an online app that allows doing a custom analysis of the spectral- and the internal transmission of any SCHOTT color glass filter material. You can also zoom into the transmission axis of the computed curve and select whether you want to display the whole available spectrum or just a customized wavelength range. The calculated result is supplied as a transmission curve that can be saved or printed. More...


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