Primitive Microscopic Lifeforms - WC#112

http://img.photobucket.com/albums/v64/fudje/3d_stuff/blender_wc/fudje-primitive-thumb.jpg My WC #112 Entry.
The idea was to simulate an optical microscope. Apparenlty yafray doesn’t let me do it quite properly (blender neither, because it has no caustics), so the whole thing’s backwards.

You can fake caustics in blender by using spot lights.