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Corporate Guidance

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We aim for the best
Total optical parts factory for various kind, low-volume production
In the world through newest Opto-mechatronics technology.

OPTONEXUS's advantages are

High-Quality・Short-delivery・Reasonable cost

  • High-quality productions applying human and mechanical skills.
  • Original processing technology.
  • Well recognized externally because of experienced process.
  • Only one optical process technology in the world.
  • Produce at low cost and price-competitive.
  • Expand, grow current core and also create new core technology

Corporate profile

Corporate Name: OPTONEXUS CO., LTD.
Address : 35, Hinokuchi, Kubo, Tokiwa-machi, Tamura-shi, Fukushima, 963-4605 Japan
Mail : optonexus-info@topcon.co.jp
Established : October 18, 1969
Paid in Capital : ¥263million
President : Sadamu Koishizawa

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Major products

GroupingFieldSubjectsProduction
Parts Lens High precision irregularity λ/10
(reference:general lens λ/2)
High-precision Lens
Small lot Minimum 2days for lot size 1~30pieces Prototype
Hard, soft materials Workable for anomalous dispersion glass, 6 times softer than general glass material Inspection camera, Microscope
Crystalline material High speed one piece prossing for Crystal materials such as Ge,CaF2,SiO2 Infrared optics, lithography
Thin lens thicness/outsider=1/35 (irregularity λ/4) Interchangeable lens, surveillance camera
High grade mass production of High-grade lenses Camera lens, Interchangeable lens
Prism High precision irregularity λ/20, angle error 1sec General optics
Special shaping Specally shaped such as corner cube, pentaprism, Dach prisms Inspection instruments, survey instrument
Polarizing film applications Curving Glass laminating and bending as secondary process Polarizing lens
Mold Special shaping Speare, Troidal irregularity λ/4, High appearance Mold for spectacle lens
Fine pattern Lithography Minimum line width 2.5μm Encoder
Unit Various cameras Assembly Integrated production from lens process to unit evaluation FA camera, Surveillance camera

*For more information please contact

Main clients

TOPCON CORPORATION
TOPCON YAMAGATA CO., LTD.
SOKKIA TOPCON CO., LTD.
Olympus corporation
Canon Inc. 
KYOCERA OPTEC Co., Ltd.
SANKEISHA CO., LTD.
Showa Optronics Co., Ltd
Sumita Optical Glass, Inc
TAMRON Co., Ltd.
NIKON CORPORATION
FUJIFILM Corporation
Mamiya Digital Imagimg Co.,Ltd.
Moritex Corporation
ASAHI LITE OPTICAL CO.,LTD.
Sunlux Co., LTD.
Shimadzu Device Corporation
SHOWA OPT. CO.,LTD.
Tokai Optical Co., Ltd.
Nasu Nikon corporation
Polatechno Co., Ltd.

Environmental preservation activity

2001 ISO14001Certification
(Japan Quality Assurance Organization)
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★ TOPICS ★

Abrasives Recycling system

abrasive.jpg
Cerium oxides abrasive

OPTONEXUS developed the recycling technology of the abradant in collaboration with the university and local government. The original waste abradant reconstructive process enabled reuse of cerium oxide. And high reputation is received in public.

  • Research background
    Price raise of rare earth such as Cerium oxides used for polishing optical components soared.
  • Merits
    The efficient use of resources reduction of industrial waste.