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"
$ 800.00
ready for shipping in 1-2
weeks
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Filters H-alpha/OIII/SII CMOS Narrowband 36mm
$ 560.00
ready for shipping in 24
h
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Filters H-alpha CMOS Narrowband 50x50mm
$ 337.00
ready for shipping in 1-2
weeks
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Filters H-alpha/OIII/SII CMOS Narrowband 1.25"
$ 468.00
ready for shipping in 24
h
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Filters H-alpha CMOS Narrowband 2"
$ 284.00
ready for shipping in 1-2
weeks
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Filters OIII CMOS Narrowband 1.25"
$ 164.00
ready for shipping in 1-2
weeks
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Filters H-alpha/OIII/SII CMOS Narrowband 50.4mm
$ 910.00
ready for shipping in 1-2
weeks
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Filters OIII CMOS Narrowband 50x50mm
$ 343.00
ready for shipping in 1-2
weeks
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Filters H-alpha/OIII/SII CMOS Narrowband 65x65mm
$ 1,230.00
ready for shipping in 1-2
weeks
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Filters H-alpha/OIII/SII CMOS Narrowband 50x50mm
$ 970.00
ready for shipping in 1-2
weeks
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Filters H-alpha/OIII/SII CMOS Narrowband 31mm
$ 494.00
ready for shipping in 1-2
weeks
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Filters H-Beta CMOS Narrowband 65x65mm
$ 487.00
ready for shipping in 1-2
weeks
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Filters H-alpha CMOS Narrowband 65x65mm
$ 433.00
ready for shipping in 1-2
weeks
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Filters OIII CMOS Narrowband 65x65mm
$ 428.00
ready for shipping in 1-2
weeks
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Filters H-Beta CMOS Narrowband 50x50mm
$ 386.00
ready for shipping in 1-2
weeks
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Filters H-Beta CMOS Narrowband 50,4mm
$ 353.00
ready for shipping in 1-2
weeks
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Filters OIII CMOS Narrowband 50.4mm
$ 332.00
ready for shipping in 1-2
weeks
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Filters SII CMOS Narrowband 50.4mm
$ 328.00
ready for shipping in 1-2
weeks
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Filters H-alpha CMOS Narrowband 50.4mm
$ 295.00
ready for shipping in 1-2
weeks