Product series:
The Narrowband series offers line filters with a full width at half maximum of 6.5 nanometres, recommended for optical systems with an aperture ratio of f/10 to f/3.5.
Most telescopes used by amateurs fall within this wide range of recommended aperture ratios. The full width at half maximum is also suitable for optics with a smaller aperture and represents very good value for money.
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Filters OIII CMOS Narrowband 50x50mm
$ 358.00
ready for shipping in 1-2
weeks
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Filters H-alpha CMOS Narrowband 50x50mm
$ 352.00
ready for shipping in 1-2
weeks
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Filters H-alpha/OIII/SII CMOS Narrowband 1.25"
$ 489.00
ready for shipping in 1-2
weeks
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Filters H-alpha CMOS Narrowband 2"
$ 296.00
ready for shipping in 1-2
weeks
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Filters H-Beta CMOS Narrowband 36mm
$ 252.00
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weeks
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Filters H-alpha/OIII/SII CMOS Narrowband 2"
$ 830.00
ready for shipping in 1-2
weeks
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Filters H-alpha/OIII/SII CMOS Narrowband 50.4mm
$ 950.00
ready for shipping in 1-2
weeks
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Filters H-Beta CMOS Narrowband 1.25"
$ 217.00
ready for shipping in 1-2
weeks
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Filters H-alpha/OIII/SII CMOS Narrowband 36mm
$ 590.00
ready for shipping in 1-2
weeks
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Filters H-alpha/OIII/SII CMOS Narrowband 65x65mm
$ 1,280.00
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weeks
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Filters H-alpha/OIII/SII CMOS Narrowband 50x50mm
$ 1,010.00
ready for shipping in 1-2
weeks
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Baader
Filters OIII CMOS Narrowband 1.25"
$ 171.00
ready for shipping in 1-2
weeks
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Filters H-alpha CMOS Narrowband 31mm
$ 183.00
ready for shipping in 1-2
weeks
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Filters H-alpha/OIII/SII CMOS Narrowband 31mm
$ 520.00
ready for shipping in 1-2
weeks
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Baader
Filters H-Beta CMOS Narrowband 65x65mm
$ 510.00
ready for shipping in 1-2
weeks
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Baader
Filters H-alpha CMOS Narrowband 65x65mm
$ 453.00
ready for shipping in 1-2
weeks
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Baader
Filters OIII CMOS Narrowband 65x65mm
$ 447.00
ready for shipping in 1-2
weeks
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Baader
Filters H-Beta CMOS Narrowband 50x50mm
$ 403.00
ready for shipping in 1-2
weeks
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Filters H-Beta CMOS Narrowband 50,4mm
$ 368.00
ready for shipping in 1-2
weeks
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Filters OIII CMOS Narrowband 50.4mm
$ 346.00
ready for shipping in 1-2
weeks
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Filters SII CMOS Narrowband 50.4mm
$ 343.00
ready for shipping in 1-2
weeks
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Filters H-alpha CMOS Narrowband 50.4mm
$ 308.00
ready for shipping in 1-2
weeks