Rockwell Collins [COL] on Nov. 29 said it has completed the sale of its optical systems business, Kaiser Optical Systems, to Switzerland’s Endress+Hauser.

Terms of the deal were not disclosed.

Rockwell Collins shed the optical systems business to focus on its growth opportunities in its addressed markets.

Kaiser Optical Systems was acquired by Rockwell Collins in 2000 as part of its purchase of Kaiser Aerospace and Electronics. Kaiser Optical, which has 60 employees, makes sensors and instrumentation, applied holographic technology, and components for aircraft display systems.

Kaiser Optical has operations in Michigan and France. 

Endress+Hauser specializes in measurement engineering and process automation. The company has 750 employees in the United States.