Zünd Präzisionsoptik AG and Optivac AG in Diepoldsau combine plan optics, micro-optics and optical coating expertise under one roof. For over 50 years, we have manufactured high-precision compact and micro prisms, filters, mirrors and custom bonding systems for medical technology, industry, metrology, laser optics and telecommunications. Optivac provides 200+ coating processes, from anti-reflective layers to mirror and beamsplitter coatings. With cutting-edge technology and Swiss precision, we deliver prototypes and high-volume production.