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 OIII CMOS f/2 Highspeed 36mm](/Produktbilder/normal/70916_1/Baader-Filters-OIII-CMOS-f-2-Highspeed-36mm.jpg)
Baader
Filters OIII CMOS f/2 Highspeed 36mm
$ 189.00
ready for shipping in 24
h
![Baader Filters OIII CMOS f/2 Highspeed 1.25"](/Produktbilder/normal/70914_1/Baader-Filters-OIII-CMOS-f-2-Highspeed-1-25-.jpg)
Baader
Filters OIII CMOS f/2 Highspeed 1.25"
$ 162.00
ready for shipping in 1-2
weeks
![Baader Filters OIII CMOS f/2 Highspeed 2"](/Produktbilder/normal/70917_1/Baader-Filters-OIII-CMOS-f-2-Highspeed-2-.jpg)
Baader
Filters OIII CMOS f/2 Highspeed 2"
$ 265.00
ready for shipping in 1-2
weeks
![Baader Filters OIII CMOS f/2 Highspeed 50x50mm](/Produktbilder/normal/70919_1/Baader-Filters-OIII-CMOS-f-2-Highspeed-50x50mm.jpg)
Baader
Filters OIII CMOS f/2 Highspeed 50x50mm
Sale price:
$ 314.00
$ 195.07
ready for shipping in 24
h
![Baader Filters OIII Highspeed f/2 31mm](/Produktbilder/normal/64058_1/Baader-Filters-OIII-Highspeed-f-2-31mm.jpg)
Baader
Filters OIII Highspeed f/2 31mm
Sale price:
$ 178.00
$ 96.99
ready for shipping in 24
h
![Baader Filters OIII CMOS f/2 Highspeed 31mm](/Produktbilder/normal/70915_1/Baader-Filters-OIII-CMOS-f-2-Highspeed-31mm.jpg)
Baader
Filters OIII CMOS f/2 Highspeed 31mm
Sale price:
$ 172.00
$ 107.89
ready for shipping in 24
h
![Baader Filters OIII CMOS f/2 Highspeed 50.4mm](/Produktbilder/normal/70918_1/Baader-Filters-OIII-CMOS-f-2-Highspeed-50-4mm.jpg)
Baader
Filters OIII CMOS f/2 Highspeed 50.4mm
Sale price:
$ 275.00
$ 173.28
ready for shipping in 24
h
![Baader Filters OIII CMOS f/2 Highspeed 65x65mm](/Produktbilder/normal/70920_1/Baader-Filters-OIII-CMOS-f-2-Highspeed-65x65mm.jpg)
Baader
Filters OIII CMOS f/2 Highspeed 65x65mm
Sale price:
$ 394.00
$ 238.67
ready for shipping in 24
h