2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/5584We present a summary of the new optical intermediate-band filter system for the prime-focus camera, Suprime-Cam, on the Subaru telescope at Mauna Kea Observatories. We also discuss a future plan to promote a new deep survey with this filter system (the MAHOROBA project).5 pages, 1 figure. To appear in the proceedings of the Japan-Germany Workshop on Studies of Galaxies in the Young Universe with New Generation Telescopes, edited by N. Arimoto & W. DuschulAstrophysicstext