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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Baader
Filters H-alpha/OIII/SII CMOS Narrowband 1.25"
$ 468.00
ready for shipping in 24
h
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Baader
Filters OIII CMOS Narrowband 50x50mm
$ 343.00
ready for shipping in 1-2
weeks
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Baader
Filters H-alpha CMOS Narrowband 50x50mm
$ 337.00
ready for shipping in 1-2
weeks
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Baader
Filters H-alpha/OIII/SII CMOS Narrowband 31mm
$ 494.00
ready for shipping in 1-2
weeks
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Baader
Filters H-Beta CMOS Narrowband 65x65mm
$ 487.00
ready for shipping in 1-2
weeks
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Baader
Filters H-alpha CMOS Narrowband 65x65mm
$ 434.00
ready for shipping in 1-2
weeks
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Baader
Filters OIII CMOS Narrowband 65x65mm
$ 428.00
ready for shipping in 1-2
weeks
