Product series:
The photography of galactic nebulae with extremely fast optics can only really be effective with the f/2 Highspeed filter.
The full width at half maximum of this filter is optimised for fast apertures of f/1.8 to f/3.5, where despite the high line broadening at this aperture ratio, a high contrast is still possible.
The filters are also ideal for Celestron RASA Astrographs.
![Baader Filters f/2 Highspeed SII CMOS 1.25"](/Produktbilder/normal/70921_1/Baader-Filters-f-2-Highspeed-SII-CMOS-1-25-.jpg)
Baader
Filters f/2 Highspeed SII CMOS 1.25"
$ 159.00
ready for shipping in 1-2
weeks
![Baader Filters SII CMOS f/2 Highspeed 2"](/Produktbilder/normal/70924_1/Baader-Filters-SII-CMOS-f-2-Highspeed-2-.jpg)
Baader
Filters SII CMOS f/2 Highspeed 2"
$ 261.00
ready for shipping in 1-2
weeks
![Baader Filters f/2 Highspeed SII CMOS 50.4mm](/Produktbilder/normal/70925_1/Baader-Filters-f-2-Highspeed-SII-CMOS-50-4mm.jpg)
Baader
Filters f/2 Highspeed SII CMOS 50.4mm
Sale price:
$ 273.00
$ 171.47
ready for shipping in 24
h
![Baader Filters SII CMOS f/2 Highspeed 65x65mm](/Produktbilder/normal/70927_1/Baader-Filters-SII-CMOS-f-2-Highspeed-65x65mm.jpg)
Baader
Filters SII CMOS f/2 Highspeed 65x65mm
Sale price:
$ 391.00
$ 236.17
ready for shipping in 24
h
![Baader Filters SII CMOS f/2 Highspeed 50x50mm](/Produktbilder/normal/70926_1/Baader-Filters-SII-CMOS-f-2-Highspeed-50x50mm.jpg)
Baader
Filters SII CMOS f/2 Highspeed 50x50mm
Sale price:
$ 312.00
$ 193.03
ready for shipping in 24
h
![Baader Filters SII CMOS f/2 Highspeed 36mm](/Produktbilder/normal/70923_1/Baader-Filters-SII-CMOS-f-2-Highspeed-36mm.jpg)
Baader
Filters SII CMOS f/2 Highspeed 36mm
Sale price:
$ 188.00
$ 117.55
ready for shipping in 24
h
![Baader Filters SII CMOS f/2 Highspeed 31mm](/Produktbilder/normal/70922_1/Baader-Filters-SII-CMOS-f-2-Highspeed-31mm.jpg)
Baader
Filters SII CMOS f/2 Highspeed 31mm
Sale price:
$ 171.00
$ 128.33
ready for shipping in 24
h