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O-III f/2 Highspeed-Filters CMOS-optimized

Baader

CMOS-optimized Baader Narrowband- and Highspeed f/2 O-III 6.5 nm Filter

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275,00 €
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Product description

Baader 6.5 nm O-III f/2 Highspeed-Filter

  • 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.

Product details

    • Optimized for CMOS cells (color and mono)
    • High quality parfocal filter
    • Shaded edges
    • The front is marked with a black outline on the edge
    • The edges are sealed to prevent moisture from entering
    • Life-Coat coating will last for a lifetime!


Shipping costs

GLS/EuroParcel
15,90 €
European delivery 2-5 days.
PostNord Parcel locker
5,90 €
PostNord Home deliver
19,00 €
Environmentally friendly delivery to your door at the agreed time. Trackable deliveries in real time even in the evenings in the biggest cities. Change your delivery as required.
UPS Standard
14,90 €
Delivery to Europe in 2 to 5 days.
Postipaketti
5,90 €
Kotipaketti
12,90 €

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