At very first, let me apologize for all the typos. I was in a hurry and additionally, there were some friends of mine at my place, so I couldnīt concentrate that well....
I will change that ASAP....
(text layer rasterized already....
Software: Cinema 4D
An explanation of the C4D transparency.
How you create realistic glass with correct reflections.
How to create opaque materials with the tranparency absorption.
If there are any questions, ask me by sending a note.