This ad-free website is purely privately created and maintained. The site can be reached at these addresses:, www.rö, www.rö,,,,

I pay the resulting fees privately, over 920 euros until 12/2023, whereby small revenues from the Verwertungsgesellschaft Wort (VGWort) are already included:

website costs x ray optics

If you have enjoyed or even benefited from these pages, I would appreciate it if you could donate via PayPal (or contact me directly) to help cover the fees:

PayPal Logo


We use cookies on our website. Some of them are essential for the operation of the site, while others help us to improve this site and the user experience (tracking cookies). You can decide for yourself whether you want to allow cookies or not. Please note that if you reject them, you may not be able to use all the functionalities of the site.