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DAS 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 dual-band filter is ideal for one-shot color cameras as well as mono-color astronomical cameras.
Features include:
- Ideal flat-top bandpass
- Excellent in-band transmission
- Off-center bandpass accommodates off-axis rays for fast optics (up to F2)
- Steep bandpass edges minimize internal reflections
- No IR blocker required
- 2.5mm thickness (parfocal with other IDAS LPS filters)
- IDAS-proprietary IGAD/MBT/UFPquality
- Made in Japan