I had yesterday one of the most interesting evenings this autumn. I had a possibility to see and hear something I have never experienced before. Yes, it was related to the title and yes, there was also some optics test involved. That was anyway just a secondary topic.

I will keep the secret now, but I am sure there will be some content published some day at some media.

Here is anyway one teaser picture for you.

_MG_0523

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