The IDAS NBZex is a dual band nebular booster filter that transfers OIII and H-alpha emission lines with the band width of 12nm (+/-0.4nm) at each band. Halos that occurred around the …

2021年1月27日 · The IDAS NBX filter is a similar filter, but with wider bandpass at about 15nm compared to the L-eXtreme's 7nm. That added width, plus their design which places them off …

2021年5月6日 · The IDAS NBX Nebula Filter is a dual band filter that excels with nebula photography using fast optics, like the Celestron RASA. The NBX is a dual filter which …

A new generation filter covering multiple objects including comets, galaxies, the Milky Way, and emission and reflection nebulae, by making use of the extra tranmission in the NIR region.

The NBZ is a dual band nebular booster filter that transfers OIII and H-alpha emission lines with the band width of 12nm (+/-0.4nm) at each band. Halos that occurred around the ojbects with …

IDAS NBX 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 …

The IDAS Nebula Booster 48mm Filter is designed to enhance the contrast of Ha (Hydrogen Alpha) and OIII (Oxygen II) emission nebula while accommodating the filter spectral shift when …

Optical Distance Worker ODW clear filter (used instead of NB2-PM/NB3-PM) to correct the optical distance. The NB2 is a nebula booster filter that transfers OIII, H-alpha and NII emission lines, …

IDAS NBX 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 …

2021年11月9日 · program so that NBX users don’t have to pay for a new filter to get the improved performance. The NBZ-UHS is the newest filter, which is further optimized for optics faster …