Optical Filters

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Leaky Green Filter

figure Leaky Green Filter

Our long experience to produce many kinds of filters by ion assisted deposition as well as sputtering has enabled the complicated film design to be achieved.
Leaky green filter realizes the excellent transmission in NIR wavelength, good attenuation in visible wavelength and optimized green leak simultaneously.
Asahi can supply suitable size of filter for binocular from small to large.