We propose a new graphical method for selecting a pair of optical and housing materials to simultaneously achromatize and athermalize a multilens system. To obtain the material combination using an athermal glass map, the material suitable for housing is graphically selected, and then the powers of elements constituting an equivalent single lens are redistributed. Although a material combination does not exist, we can continuously change the power of each element. Thus, we can reasonably identify a pair of optical and housing materials that simultaneously satisfies achromatic and athermal conditions. By applying this method to design a Tessar lens, the chromatic and thermal defocuses are reduced to less than the depth of focus, over the specified waveband and temperature ranges.
© 2016 Optical Society of America
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