Sill Optics GmbH

Sill Optics is the specialist for quality and innovation in the range of photonics technologies. With regard to customized development as well as standard solutions we have established ourselves internationally and are one of the leading companies in this business. Our company with more than 125 years of experience is located in Wendelstein.



  • for high- power-laser applications
  • fused silica and optical glass
  • standard Ø 1”, 1.5”, and 2”; focal length 20 mm to 400 mm
  • custom-made


Laser Optics


We produce custom-made or standard lenses for all laser applications from 193 nm up to 10.6 μm for ultrashort pulse lasers and cw lasers.

beam expanders

  • scan lenses
  • zoom beam expanders, motorized versions available
  • color corrected scan lenses
  • low absorption coating with high LIDT


Illumination Components

  • telecentric LED-Condensers up to Ø 150 mm



  • lens elements Ø 4 mm - 650 mm
  • surface figure Lambda /10 (improved upon request)
  • scratch & digs 10 / 5 depending on lens diameter
  • lenses square / segmented shape
  • optical domes manufacturing
  • CNC milling and lathing
  • high-precision centering, alignment and machining of mounted lenses and lens groups
  • latest CNC machines for grinding, polishing and centering
  • QED equipment for aspheres
  • optical thinfilm coating inhouse
  • standard and stitching interferometer
  • lens elements from special materials (Germanium/ CaF2)


Imaging lenses


In this area we offer various lenses in different quality levels to meet the special demands in industrial imaging applications and metrology.

  • telecentric lenses up to Ø 400 mm
  • zoom lenses
  • telecentric measurement lenses
  • lenses for triangulation
  • lenses for medical and biomedical applications





Sill Optics GmbH & Co. KG

Johann-Höllfritsch-Str. 13

90530 Wendelstein



Phone: +49 (0)9129 9023-0



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