Earlier quoted context omitted.
When you buy something in Germany and the EU, you typically can return it. That does not apply to custom buildouts, like this camear.
5200 € of camera and you don’t even get a guarantee? That’s bold
This is independent of warranty (which is something the manufacturer may or may not offer), or Gewährleistung (which concerns the vendor and is typically the easiest way of dealing with damaged or defective goods).