Welcome to our Optics Knowledge Base, a repository of information that includes articles authored by our engineers as well as material that is curated from selected public resources related to Optics for scientific and industrial imaging applications. Our Knowledge Base is intended to provide background information for those who are interested in the subject. The material in this knowledge base is provided with the generous permission of the content creators, with full attribution and links to their respective locations. A list of references is provided towards the end of this section.