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IDAS is the optical filter brand of ICAS Enterprises, a Japanese company established in 1999. Since 2001, IDAS has been dedicated to manufacturing high-quality astronomical optical filters for both amateur and professional use. Renowned for their precision and performance, IDAS filters are distributed globally through a network of authorized dealers. As a division of ICAS Enterprises, IDAS combines advanced optical engineering with a strong commitment to supporting the astronomy community worldwide.
