How can I get better caustics rendering on Cycles? If I use lamps by dafault I can´t get caustics, If I put some planes in the scene as emisor I get the caustics, but…there must be something more that can be done. I’m not satisfied with this.
Before than all things Thanks for read me, and an apology because I do not speak English.
Have you turned on ‘no caustics’ in render panel. I think I see some caustic effect anyway so probably not.
Do you have a strong world lighting, this often washes out caustics.
Is your mesh light very large. This makes caustics so soft that they are not noticeable. This looks like the most likely cause.
Why do you think lamps will not give you caustics anyway, where did you get that?
These questions are easier to answer if you post a file.