Unit 531, 5/F,
Enterprise Place,
Hong Kong Science Park, N.T., Hong Kong.

Tel (852)2793 5976
Fax (852)2793 1696

Opening hours

Monday to Friday


Sunday and Labour Holidays.


Term of use


Acceptance of Terms

When you access this Website, you acknowledge that you have read and agree to abide by the terms described below. If you do not agree to the terms discussed here, you should exit this Website now.


Everything on this site is copyrighted. ASPHERIC OPTICS or the original creator of the material owns the copyrights. You are free to view, copy, print and distribute ASPHERIC OPTICS material from this site, as long as:

The material is used solely for informational and non-commercial purposes; and

Copies of any material include the copyright notice of ASPHERIC OPTICS.


The ASPHERIC OPTICS logo is a trademark or service mark of ASPHERIC OPTICS.

ASPHERIC OPTICS may change the information on the site, or the products mentioned, at any time without notice. Material on this Website is provided "as is" and ASPHERIC OPTICS specifically disclaims all warranties, whether expressed or implied. This includes, but is not limited to, the implied warranties of merchantability, fitness for a particular purpose, and non-infringement. It also includes any expressed or implied warranties arising from any course of dealing, usage or trade practices.

Limitation of Liability

ASPHERIC OPTICS makes no warranty regarding any goods or services purchased or obtained through diffractive-optics.com or any transactions entered into through diffractive-optics.com. ASPHERIC OPTICS is not liable for any direct, indirect, special, incidental, consequential or punitive damages arising out of use of the material on this Website. This includes, but is not limited to, the loss of data or loss of profits, error, omission, interruption, deletion, defect, delay in operation or transmission, computer virus, communication line failure, theft of destruction or unauthorized access to, alteration of or use of records, whether for breach of contract, tortuous behavior, negligence, or under any other cause of action, even if advised of the possibilities of such damages.


This Website may contain links to third party sites. We are not responsible for webcasting or any other form of transmission received from linked sites. We provide these links to you only as a convenience and the inclusion of any linked site on the Website dos not imply endorsement by us of the linked site or any association with its operator. ASPHERIC OPTICS is not responsible for the content of any such sites. Any concern regarding linked sites should be directed to the responsible site administrator or webmaster.

Product Availability

The availability of products described on this Website and the product descriptions may vary from country to country. Consult your ASPHERIC OPTICS Account Executive for specific product information.

Your Posted Information

You are prohibited from posting or transmitting any unlawful, threatening, obscene, libelous, or otherwise offensive material through this website.

Your Submission

Any material, information, or idea submitted or posted on this Website will be considered non-confidential and non-proprietary. ASPHERIC OPTICS may share or otherwise use your submission for any purpose whatsoever. If any of the information submitted constitutes personal data, you agree that ASPHERIC OPTICS may transmit such personal data across international boundaries for any ASPHERIC OPTICS business purpose. Personal data will be treated as set forth in our Privacy Statement.

System Available

ASPHERIC OPTICS does not guarantee uninterrupted, continued or secure access to the Website. Part of the entire Website may be unexpectedly unavailable for whatever duration and for various reasons that may include system malfunctions and disruption, Internet access downtime and other technical problems beyond our control for which we cannot and shall not be held responsible. You agree that your use of the Website is at your own risk and that you will not hold ASPHERIC OPTICS responsible for any damage or loss caused by your inability to us the Website for whatsoever reason. We reserve the right to take any part or all of the Website offline for various reasons including but not limited to system maintenance or upgrading.

Jurisdiction and Choice of Law

This Agreement and all claims or issues regarding this Website shall be governed by the laws of the Hong Kong, regardless of the laws that might otherwise govern under applicable Hong Kong principles of conflicts of law. Any legal action concerning these terms or this Website must be brought within one (1) year after the claim or cause of action arises and must be brought in Hong Kong Courts.

ASPHERIC OPTICS reserves the right to modify or update these Terms of Use at any time without notice.

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