Lens simulator

Hi everyone. We made this idea to collect more opinions on a topic that is discussed right now in the forum.
We would like to know whether you would use a simulation representing a specific lens. If yes, what kind of lenses would you like to have? Maybe different categories?
Where would you like to have the controls for this feature?
How do you see these presets to be combined with other settings?
What do you currently miss from our Bokeh effects?
You can add examples, images, or even links to videos here.
Feel free to vote and to share your opinion.