Request InfoZemax, Optical Product Design SoftwareThe essential design software for sequential optical design of lens and imaging systems, plus polarization and thin film coatings, includes design, analysis, optimization and tolerancing tools and features.See full productRelated content from Photonics MediaPRODUCTSPromoted Content August 2023 IssueNotch FiltersNotch filters eliminate or block a range of wavelengths while transmitting both shorter and longer wavelengths outside of the blocked region. 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