The Optical Knowledge Portal
Information – Education – Certification

Legal notice

OptAk GmbH
Hans-Böckler-Str. 7
91301 Forchheim, Germany

Managing Director (vertretungsberechtigter Geschäftsführer): Alfred Schüttinger

Phone: +49 9191 – 3409 12
Fax: +49 9191 – 3409 19


Bamberg Register of Companies, registration no.: HRB 8349
VAT identification number according to Section 27a of the German VAT Act (Umsatzsteuergesetz) DE304502484
Responsible for content: Sandro Ott

The European Commission manages an online dispute resolution (ODR) platform dedicated to helping consumers and traders resolve their disputes out-of-court.
The platform can be accessed at

Contact details for OptAk GmbH:


Online content

OptAk GmbH shall not warrant or assume any legal liability or responsibility for the accuracy, correctness, completeness or quality of any information provided on this site. OptAk GmbH will not be liable for any material or immaterial loss or damage arising out of the use or non-use of the information provided, or in connection with the use of incorrect or incomplete information, unless OptAk GmbH demonstrably acted with intent or gross negligence.

All offers are subject to change without notice and non-binding. OptAk GmbH reserves the right to change, add to or delete parts of this website or the entire website at any time without prior notice, or to suspend or terminate its publication.

References and links

This website contains direct and indirect links to other websites (“external links”), over which OptAk GmbH has no control. OptAk GmbH is responsible for third-party material only insofar as OptAk GmbH was positively aware of potentially unlawful or criminal content, and if OptAk GmbH has the technical means, and can be reasonably expected to prevent the use of illegal content.

OptAk GmbH herewith expressly declares that no illegal content was evident at the time the links were created. OptAk GmbH does not have any influence on the current and future design or contents of the linked/referenced pages, and hereby expressly dissociates itself from all contents of all linked/referenced pages, which were changed after the link has been created.

Copyright and trademark protection

OptAk GmbH endeavours to observe the copyrights of graphics, sound files, video sequences and texts in all publications, to use its own graphics, sound files, video sequences and texts, or to make use of licence-free graphics, sound files, video sequences and texts.

All registered brand names and trademarks named on this website that are owned by third parties are unconditionally subject to the provisions of the applicable trademark law and the property rights held by the respective owner. The naming of brands and trademarks on this website does not in any way infer that they are not protected by commercial property rights held by third parties.

OptAk GmbH retains the copyrights in all objects and texts produced by it, and the duplication or use of these graphics, sound files, video sequences and texts, in electronic format or printed format, is only permitted with the explicit consent of OptAK GmbH.

Legal validity of disclaimer

This disclaimer is to be considered as an integral part of the internet publication which you were referred from. Should parts of this text or individual phrases not correspond or no longer or completely accord with the law as it stands, the content and validity of the remaining parts of this document shall remain unaffected.