IDAS

Features on LPS-P3 Updated version from LPS-P2 and LPS-D1 Primary targets of light pollution are mercury and high/low sodium vapor lines More str...

IDAS NB Filters are designed to enhance the contrast of emission nebula, yet accommodate the filter spectral shift* when used with modern fast opti...

DAS NBZ Filters are designed to enhance the contrast of Hα and OIII emission nebula, yet accommodate the filter spectral shift when used with mode...

IDAS NBZ UHS(Ultra High Speed) versions Ideal for Ultra high speed optics such as RASAs and HyperStars F1.8 to F2.8 & UHS Made in Japan IDAS ...

IDAS UV/IR blocking filters are designed for use with lens optical systems, which are typically not corrected for the UV and IR bands. These filter...

IDAS UV/IR blocking filters are designed for use with lens optical systems, which are typically not corrected for the UV and IR bands. These filter...