Optical Filters

Optical Instruments


International Agency

About Us

image Optical Filters

image model MAX-303

image Astronomical Filters

image model HAL-320

Asahi has developed photonics tools for over 45 years, and now provides state-of-the-art optical filters and instruments to overseas customers.
We are passionate about contributing to the development of optical industries and progress of sciences with our cutting-edge technology.
Stop by our website, find the best solutions, and let's discuss what you require for your science and business with Asahi!


Reference page

April 26, 2016

The list of reference papers for MAX-303

Asahi created the new page of the reference papers for the MAX-303.

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new u' band filter

February 29, 2016

The new u' band filter for the One Degree Imager

Asahi was successful in coating the large 445 mm x 428 mm u' band filter

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December 18, 2014

Notice of discontinued product

FHL-101 Halogen Illuminator has been discontinued.

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E-MRS 2016

March 31, 2016

E-MRS 2016 Spring Meeting / Booth No. 77

May 3-5 2016, Lille Grand Palais,
Lille, France

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Analytica 2016

March 31, 2016

analytica 2016 / Hall A2 Booth No. 221

May 10-13 2016, Messe Munchen,
Munich, Germany

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March 28, 2016

SPIE Astronomical Telescopes and Instrumentation 2016 / Booth No. 300

June 28-29 2016, Edinburgh International Conference Centre
Edinburgh, United Kingdom

>>Read more

Products and Applications

image UV Filters image Photochemistry image SDSS filters image Solar Simulator image Monochromatic Illuminator