The first task could be done with a tool like this, but it is not a project for beginners. The second requires a different tool, a non-sequential ray tracer.

The first task could be done with a tool like this, but it is not a project for beginners. The second requires a different tool, a non-sequential ray tracer. See https://community.zemax.com/got-a-question-7/sequential-vs-non-sequential-mode-656 https://community.zemax.com/got-a-question-7/sequential-vs-n...