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Baader f/2 Highspeed-Filter H-alpha 50x50mm - 2459389
BDR_2459389
310,00 €
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Baader f/2 Highspeed-Filter H-alpha 50x50mm
- Narrowband f/2 Highspeed Filters are designed especially for the delicate requirements of extremely fast astrograph optics, in particular Hyperstar and RASA
- Conventional narrowband filters cause a heavy loss in transmission due to the strong CWL-shift. In extreme cases the CWL even does shift out of the FWHM (CWL= Center-wavelength/FWHM= full width half maximum). Therefore these filters have a CWL-preshift which matches f/2 to f/3 perfectly.
- The FWHM is optimized. In spite of the typical line broadening with such fast optical trains they are able to deliver maximum contrast.
- For the first time these filters allow to use fast optics really effectively with high contrast emission nebulae imaging. Using these filters between f/1,8 and f/3,5 shows a dramatic improvement compared to any regular set of narrowband-filters.
- Filtruj aplikację
- Fotograficzny
- Rodzaj filtra
- Narrowband*~H-alpha
- Filter size
- 50mm round
Founded in Germany in 1955, Baader Planetarium specializes in very high-quality astronomical accessories, including filters, eyepieces, mounts and mounting hardware. Their innovative designs offer unique solutions for visual observers and astrophotographers alike, with products recognized for optical excellence and meticulous craftsmanship.
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