IDAS NBZ Filters

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IDAS NBZ Filters are designed to enhance the contrast of Hα and OIII emission nebula, yet accommodate the filter spectral shift when used with modern fast optical systems. This dua l-band filter is ideal for one-shot color cameras as well as mono-color astronomical cameras. Features Include Ideal flat-top Band-pass Excellent in-band transmission Off-center Band-pass accommodates off-axis rays for fast optics (up to F2) Steep Band-pass edges minimize internal reflections No IR blocker required Available in 52mm and 48mm sizes 2.5mm thickness (Par focal with other IDAS LPS filters) IDAS-proprietary IGAD/MBT/UFP quality Made in Japan Show more