Optical Filters

Optical Instruments


International Agency

About Us

image Optical Filters

image model MAX-350

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!

Holiday Information

We will be closed for national holidays from April 27th 2019 to May 6th 2019.
Please note that we are not able to respond to your inquiry and order during
this period. We appreciate your kindly understanding.



October 18, 2018

LED Light Source

High-power LED light source with various wavelengths

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High transmission bandpass filters

September 10, 2018

High transmission bandpass filter

Magnetron sputtering technology replaces conventional bandpass filters with all dielectric ...

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Astronomical filters

June 8, 2018

Astronomical filters

Information on astronomical filters is updated.

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2019 SPIE

February 18, 2019

SPIE Defense + Commercial Sensing 2019 / Booth No. 754

April 16 - 18, 2019
Baltimore Convention Center
Baltimore, USA

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2018 MRS Fall Meeting & Exhibit

October 16, 2018

2018 MRS Fall Meeting & Exhibit / Booth No. 1028

November 27 - 29, 2018
Hynes Convention Center
Boston, USA

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256th American Chemical Society National Meeting & Exposition

July 11, 2018

256th American Chemical Society National Meeting & Exposition / Booth No. 1113

August 19 - 21, 2018
Boston Convention & Exhibition Center
Boston, USA

>>Read more

Products and Applications

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