Asahi Spectra

Asahi Spectra Co. Ltd. (ASC) was founded in 1970 in Tokyo, Japan. ASC provides state-of-the–art Optical Filters and Instruments to overseas customers. Their products include:

UV Filters

Short pass, Long pass, Band pass Filters.

Astronomical Filters

Large Filters, Narrow Band Filters, UBV RcIc Filters (conventional) MKO YJHK filters, Broadband AR, Dichroic beam splitters, UV Transmission filter, SDSS filters (All dielectric coating), UBVRcIc Filters  (All dielectric coating), Custom IR filters.

Optical Instruments

Xenon Light Sources, Solar Simulators, Single Monochromater, Transmitttance Meters.