Product series:
The f/2 Ultra-Highspeed series of filters offer line filters with a very narrow full width at half maximum for extremely fast optical systems with an aperture ratio of f/3.4 to f/1.8, such as Celestron's RASA astrograph.
The narrow full width at half maximum allows maximum contrast even in severe light pollution conditions, minimising star size and making the finest nebula details accessible – indispensable under Bortle class 9/8/7/(6) skies.
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Filters H-alpha/OIII/SII CMOS f/2 Ultra-Highspeed 36mm
$ 990.00
ready for shipping in 1-2
weeks
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Filters H-alpha/OIII/SII CMOS f/2 Ultra-Highspeed 31mm
$ 830.00
ready for shipping in 1-2
weeks
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Filters H-alpha/OIII/SII CMOS f/2 Ultra-Highspeed 1.25"
$ 780.00
ready for shipping in 1-2
weeks
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Filters H-alpha CMOS f/2 Ultra-Highspeed 50x50mm
$ 570.00
ready for shipping in 1-2
weeks
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Filters SII CMOS f/2 Ultra-Highspeed 65x65mm
$ 570.00
ready for shipping in 1-2
weeks
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Filters OIII CMOS f/2 Ultra-Highspeed 65x65mm
$ 560.00
ready for shipping in 1-2
weeks
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Filters H-alpha CMOS f/2 Ultra-Highspeed 65x65mm
RRP:
$ 730.00
Our price:
$ 660.00
ready for shipping in 1-2
weeks