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 H-alpha/OIII/SII CMOS Narrowband 2"
$ 810.00
ready for shipping in 1-2
weeks
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Filters H-alpha/OIII/SII CMOS Narrowband 36mm
$ 570.00
ready for shipping in 24
h
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Filters OIII CMOS Narrowband 50x50mm
$ 348.00
ready for shipping in 1-2
weeks
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Filters H-alpha CMOS Narrowband 50x50mm
$ 342.00
ready for shipping in 1-2
weeks
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Filters H-alpha/OIII/SII CMOS Narrowband 1.25"
$ 475.00
ready for shipping in 24
h
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Filters H-alpha CMOS Narrowband 2"
$ 288.00
ready for shipping in 1-2
weeks
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Filters OIII CMOS Narrowband 1.25"
$ 166.00
ready for shipping in 1-2
weeks
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Filters H-alpha/OIII/SII CMOS Narrowband 50.4mm
$ 920.00
ready for shipping in 1-2
weeks
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Filters H-alpha/OIII/SII CMOS Narrowband 65x65mm
$ 1,240.00
ready for shipping in 1-2
weeks
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Filters H-alpha/OIII/SII CMOS Narrowband 50x50mm
$ 980.00
ready for shipping in 1-2
weeks
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Filters H-alpha/OIII/SII CMOS Narrowband 31mm
$ 510.00
ready for shipping in 1-2
weeks
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Filters H-Beta CMOS Narrowband 65x65mm
$ 494.00
ready for shipping in 1-2
weeks
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Filters H-alpha CMOS Narrowband 65x65mm
$ 440.00
ready for shipping in 1-2
weeks
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Baader
Filters OIII CMOS Narrowband 65x65mm
$ 434.00
ready for shipping in 1-2
weeks
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Filters H-Beta CMOS Narrowband 50x50mm
$ 392.00
ready for shipping in 1-2
weeks
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Filters H-Beta CMOS Narrowband 50,4mm
$ 358.00
ready for shipping in 1-2
weeks
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Filters OIII CMOS Narrowband 50.4mm
$ 337.00
ready for shipping in 1-2
weeks
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Filters SII CMOS Narrowband 50.4mm
$ 333.00
ready for shipping in 1-2
weeks
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Filters H-alpha CMOS Narrowband 50.4mm
$ 299.00
ready for shipping in 1-2
weeks