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Baader f/2 High Speed Narrowband CCD Filter Set - 2

Baader f/2 High Speed Narrowband CCD Filter Set
Includes OIII, H-Alpha & SII - 2" Mounted
for HyperStar, RASA & other Fast Systems

Baader f/2 Highspeed Narrowband filters are designed to work with astrographs faster than f/3, including HyperStar systems, RASA, and fast instruments from ASA, Astro-Physics, TEC, and more. All three Baader high-speed narrowband filters in this kit (Ha, OIII & SII) have a center wavelength (CWL) pre-shift that matches f/2 to f/3 systems beautifully, and since their FWHM is optimized, they are able to deliver maximum contrast.

When standard narrowband CCD filters are used with systems faster than f/3, they will suffer from a large loss of transmission due to the strong CWL shift. In some instances the filters will even shift out of the FWHM! However, when you use the special Baader High Speed Narrowband Filters with your f/1.8 to f/3.5 system, you will see a dramatic improvement when doing false color imaging of emission nebulae.

This f/2 Narrowband CCD filter set is ideally suited for prime focus imaging, and when used together, are capable of producing high contrast, false color “Hubble” style images! These filters are mounted in a 2” threaded cell.

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