'Latest Zemax creates and evaluates designs'. ^ 'Design software: which package do you need?'.Electronic imaging in astronomy : detectors and instrumentation (2nd ed.). Introduction to Lens Design: With Practical Zemax Examples. ^ a b 'Radiant, Zemax merge with backing from Evergreen Pacific'.ISBN 0-07-147248-7.the Zemax software package, one of the industry's standards. OpticStudio's optimization tools can be used to improve an initial lens design by automatically adjusting parameters to maximize performance and reduce aberrations. The physical optics propagation feature can be used for problems where diffraction is important, including the propagation of laser beams and the coupling of light into single-mode optical fibers. It also has tolerancing capability, to allow analysis of the effect of manufacturing defects and assembly errors. OpticStudio can perform standard sequential ray tracing through optical elements, non-sequential ray tracing for analysis of stray light, and physical optics beam propagation. It includes a library of stock commercial lenses. OpticStudio can also model the effect of optical coatings on the surfaces of components.

It can model the effect of optical elements such as simple lenses, aspheric lenses, gradient-index lenses, mirrors, and diffractive optical elements, and can produce standard analysis diagrams such as spot diagrams and ray-fan plots. It works by ray tracing-modelling the propagation of rays through an optical system.

OpticStudio is an optical design program that is used to design and analyze imaging systems such as camera lenses, as well as illumination systems. On 31 August 2021, it was announced Ansys acquired the company. Arlington Capital Partners sold Zemax to EQT June 26, 2018. In 2014 Radiant sold Zemax to Arlington Capital Partners, which named the company Zemax, LLC. The latter merged with Radiant Imaging in 2011 to form Radiant Zemax. The program was originally sold by Focus Software, which later became Zemax Development Corp. The software was rebranded as OpticStudio in 2016.

The name was later changed to Zemax due to a trademark conflict. The first version was called Max, named after the programmer's dog. It became commercially available in 1990.

OpticStudio, then called Zemax, was originally written by Ken Moore and was the first optical design program specifically written for Microsoft Windows. It is used for the design and analysis of both imaging and illumination systems. OpticStudio is its flagship product and a commonly used optical design program for Microsoft Windows. Zemax is a company that sells optical design software.

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