IDAS

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 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...