Corona Renderer 4 introduced a whole new way of calculating caustics – but are they practical for use in actual production scenes? And what about in animations?

London-based architectural & design visualization studio Recent Spaces are always on the look-out for the ultimate in photo-realism, so their artist Tobias Grendelmeier did some testing to find out and shared their findings with us.

Recent Spaces – Caustics R&D from Recent Spaces