Warranty and Returns

DRO must be notified within 15 days of any defect or non-conformance. Defects will be replaced immediately.


Shipping is at the discretion of Design Research Optics, though our best effort is made to meet requests. We don't take responsibility for damage or delays by the shipping party.

Terms of Payment

Payment types for domestic orders include cash in advance, credit card, COD or Net 30 with prior credit approval.

Export Terms

These are letter of credit, credit card or cash advance.