Also keep in mind that Cycles and most renderers use a simplified version of physics—rather than pathtrace all wavelengths, they use a simplified RGB model, whi

Also keep in mind that Cycles and most renderers use a simplified version of physics—rather than pathtrace all wavelengths, they use a simplified RGB model, which means certain optical properties behave differently. For instance, you don’t get the chromatic aberration with the simulated lens.