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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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Baader Filters OIII CMOS Narrowband 1.25"
Baader
Filters OIII CMOS Narrowband 1.25"
$ 160.00
ready for shipping in 1-2 weeks
Baader Filters H-alpha CMOS Narrowband 1.25"
Baader
Filters H-alpha CMOS Narrowband 1.25"
$ 164.00
ready for shipping in 1-2 weeks
Baader Filters H-Beta CMOS Narrowband 2"
Baader
Filters H-Beta CMOS Narrowband 2"
$ 347.00
ready for shipping in 1-2 weeks
Baader Filters OIII CMOS Narrowband 2"
Baader
Filters OIII CMOS Narrowband 2"
$ 271.00
ready for shipping in 1-2 weeks
Baader Filters H-alpha CMOS Narrowband 2"
Baader
Filters H-alpha CMOS Narrowband 2"
$ 277.00
ready for shipping in 1-2 weeks
Baader Filters SII CMOS Narrowband 2"
Baader
Filters SII CMOS Narrowband 2"
$ 269.00
ready for shipping in 1-2 weeks
Baader Filters OIII CMOS Narrowband 36mm
Baader
Filters OIII CMOS Narrowband 36mm
$ 193.00
ready for shipping in 1-2 weeks
Baader Filters Narrowband SII CMOS 1.25"
Baader
Filters Narrowband SII CMOS 1.25"
$ 158.00
ready for shipping in 1-2 weeks
Baader Filters H-Beta CMOS Narrowband 1.25"
Baader
Filters H-Beta CMOS Narrowband 1.25"
$ 218.00
ready for shipping in 1-2 weeks
Baader Filters SII CMOS Narrowband 31mm
Baader
Filters SII CMOS Narrowband 31mm
$ 167.00
ready for shipping in 1-2 weeks
Baader Filters OIII CMOS Narrowband 50.4mm
Baader
Filters OIII CMOS Narrowband 50.4mm
$ 324.00
ready for shipping in 1-2 weeks
Baader Filters H-Beta CMOS Narrowband 36mm
Baader
Filters H-Beta CMOS Narrowband 36mm
$ 253.00
ready for shipping in 1-2 weeks
Baader Filters SII CMOS Narrowband 50x50mm
Baader
Filters SII CMOS Narrowband 50x50mm
$ 334.00
ready for shipping in 24 h
Baader Filters H-alpha CMOS Narrowband 50.4mm
Baader
Filters H-alpha CMOS Narrowband 50.4mm
$ 289.00
ready for shipping in 1-2 weeks
Baader Filters H-Beta CMOS Narrowband 31mm
Baader
Filters H-Beta CMOS Narrowband 31mm
$ 230.00
ready for shipping in 1-2 weeks
Baader Filters H-alpha CMOS Narrowband 36mm
Baader
Filters H-alpha CMOS Narrowband 36mm
$ 194.00
ready for shipping in 1-2 weeks
Baader Filters SII CMOS Narrowband 36mm
Baader
Filters SII CMOS Narrowband 36mm
$ 192.00
ready for shipping in 1-2 weeks
Baader Filters H-alpha CMOS Narrowband 31mm
Baader
Filters H-alpha CMOS Narrowband 31mm
$ 171.00
ready for shipping in 1-2 weeks
Baader Filters OIII CMOS Narrowband 31mm
Baader
Filters OIII CMOS Narrowband 31mm
$ 169.00
ready for shipping in 1-2 weeks
Baader Filters SII CMOS Narrowband 50.4mm
Baader
Filters SII CMOS Narrowband 50.4mm
$ 321.00
ready for shipping in 1-2 weeks
Baader Filters OIII CMOS Narrowband 50x50mm
Baader
Filters OIII CMOS Narrowband 50x50mm
$ 336.00
ready for shipping in 24 h
Baader Filters H-alpha CMOS Narrowband 50x50mm
Baader
Filters H-alpha CMOS Narrowband 50x50mm
$ 330.00
ready for shipping in 24 h