Source: cirosantilli/parallel-light
= Parallel light
{wiki}
Often just called collimated light due to the <collimator> being the main procedure to obtain it.
However, you move very far away from the source, e.g. the <Sun>, you also get essentially parallel light.
Bibliography:
* https://physics.stackexchange.com/questions/82529/ways-of-achieving-parallel-rays-of-light