Baader Narrowband CCD Unmounted Filterset
  • Baader Narrowband CCD Unmounted Filterset

Baader Narrowband CCD Unmounted Filterset

Baader's Premium Narrowband CCD filters are proven to deliver the absolute highest contrast deep sky images in H-Alpha, H-Beta, Oxygen III, and Sulfur-II, take advantage of the absolute shortest exposure times available.

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For Interline-CCD, consisting of two 50.4mm diameter filters  O - III and S - II ( # 2458437  # 2458432), and two 50.8mm diameter filters 35nm H -alpha and H - beta ( # 2458379,  # 2458427 )

  • 2458379 H-alpha 35nm
  • 2458427 H-beta
  • 2458437 O III
  • 2458432 S II

Please note: these are 50.8mm unmounted filters.

Their ultra-narrow bandwidths have extremely high transmissions, while completely rejecting light pollution as well as the important blocking of longer wavelengths.

The high optical quality of Baader narrowband filters guarantees no loss in sharpness or contrast.  Each substrate is fine-optically polished plane parallel to deliver a smooth and accurate 1/4 wavefront over the entire surface.  This special custom polishing operation sets Baader filters apart from the standard commercially precision polished filter substrates used by most other filter manufacturers.


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