Continuously Variable Filter Sets

Enable your application by using our amazing CVF setsContinuously Variable Filter SetsMany great applications have been enabled by combing several of our filters. Below you will…


Meet us at Optatec 2024

We will be joining the Optatec 2024 exhibition 14 to 16 May 2024 in Frankfurt As always we will demonstrate various types of our filters and we hope that you will visit us at booth 426 in hall 3.1, to have a talk about your application.


Meet us at W3+ Fair in Jena

We will be joining the W3+ Fair 25 + 26 September 2024 in Jena Join us at the W3+ Fair Jena on September 25-26, 2024! We’re excited to showcase our latest optical innovations, including our Order Sorting Filters, Variable Filters, and specialized Point of Care Filters. This is a great opportunity…


Job offers

Our valuesUnderstanding of everybody's tasks in the company and our coworkers' personal situation and motives is paramount for our success.Job offersWe do not have any vacancies…


Fight Corona!

  As everybody else we are both concerned and affected by the Corona virus pandemic – both at a personal and business level. As of…


About us

Our company visionStriving to improve the quality of life, we serve our OEM clients with innovative optical filtersOur CompanyDelta Optical Thin Film A/S is a privately owned…


Key Employees

Meet the team at Delta Optical Thin FilmPeople you might meet at Delta Optical Thin Film


Dichroic Beamsplitters

Customised OEM Beamsplitters adhering to any customer requirement.Dichroic BeamsplittersDichroic Beamsplitters are generally used to separate two or more spectral regions. They…


Linear Variable Filters and Xenon flash lamps

Learn important details about the optimum illumination of your Continuously Variable Filter with a Xenon Flash LampsLinear Variable Filters and Xenon flash lampsWhen using…


Linear Variable Dichroic – Dependence on spot-size and AOI

The optimum use of your Continuously Varibale Dichroic Filter.Linear Variable Dichroic –Dependence on spot-size and AOIWhen using Continuously Variable Filters in your optical…