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Manufacturer: Baader
Product number: BA2458427
EUR146.00new
EUR 146,00RRP EUR 195,00you save 25.1% (EUR 49,00)
incl. 19 % VAT (DE)
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excl. 6.95 € shipping costs (DE)
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- Details..
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Baader H-Beta Filter - 8.5 nm - 50.8 mm w/o cell
For observing and capturing faint nebulae with highest contrastThe Baader H-beta filter has a narrow H-beta transmission of 8.5 nm (at 486.1 nm). Especially for Hydrogen zones like the California or Horsehead nebula, this filter is highly recommended. Photographical experiments - for instance, in the CCD field - may also be interesting.
With 250 mm aperture, the Horsehead nebula can be identified if the observing conditions are very good. Especially in addition to an UHC and O-III filter, this model is recommended.
The filter is dielectrically coated and aging-resistant, robust and scratch-proof. Highest image quality is guaranteed by plane-optically polished surfaces.
| Surface: | plane-optical polished |
| Coating: | hard coated |
| Bandwidth: | 8.5 nm at 486.1 nm |
| DIameter: | 50.8 mm |
| mount material: | aluminum |
| Substrate thickness: | 3 mm |
Bildautor: Johannes Schedler, © 2008 by Panther Observatory.
NGC7000+Pelican Mosaic with Baader NarrowbandCCD-filters. Note tight stars and absence of halos.
NGC7000+Pelican Mosaic with Baader NarrowbandCCD-filters. Note tight stars and absence of halos.
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