[Goptical] Finding magnification of a multilens design

[Kustaa Nyholm]

Hi,

I'm not an optics designer, rather a software programmer, so bear with me.

I've successfully managed to simulate a four lens imaging system with Goptical.

I get the nice 2D layout that show principle  and marginal rays.

But my real question is how do I find out the magnification?

The general context is that I want to create piece of software that
will iteratively optimise some of the lens parameters to achieve
a given magnification ratio with given constraints.

Also I can't figure out how to add additional rays.


I tried something like (I'm working from the tessar.cc example):

    Light::Ray 
ray(Math::VectorPair3(Math::Vector3(0,0,0),Math::Vector3(0,0.5,1)));
    std::cout << ray << std::endl;
    source_rays.add_ray(ray);

but this ended in segfault.



wbr Kusti






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