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Edmund Optics Japan, Precision Optics and Advanced Coating Center

3, Aza-Dan-no-Ue, Iwasaki, Yuzawa city
Akita, Japan 012-0801

Our Akita, Japan factory is ISO 9001 certified and has produced high-precision spherical and aspherical optics with advanced multi-layer and dielectric thin-film coating capabilities for over 50 years.

  • Spherical Lenses in a Wide Variety of Materials and Coatings
  • Prisms with Angle Tolerances Down to 0.5 Arcsec
  • Plano-Plano Laser-Grade Substrates
  • Hard-Coated Filters for Life Science Applications
ISOISO:9001

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General Capabilities
  Commercial Precision
Diameter 4 – 200 mm 4 – 200 mm
Diameter Tolerance +0/-0.100 mm +0/-0.025 mm
Thickness +0.10 mm +0.05 mm
Clear Aperture 80% 90%
Radius +0.3% +0.1%
Power, PV 3λ 1.5λ
Irregularity, PV 2λ 0.5λ
Centering (Beam Deviation) 3 arcmin 1 arcmin
Surface Quality (Scratch/Dig) 80 – 50 40 – 20

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