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 CMOS Narrowband 2"
$ 284.00
ready for shipping in 1-2
weeks
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Baader
Filters OIII CMOS Narrowband 1.25"
$ 164.00
ready for shipping in 1-2
weeks
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Baader
Filters OIII CMOS Narrowband 50.4mm
$ 332.00
ready for shipping in 1-2
weeks
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Baader
Filters SII CMOS Narrowband 50.4mm
$ 329.00
ready for shipping in 1-2
weeks
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Baader
Filters H-alpha CMOS Narrowband 50.4mm
$ 295.00
ready for shipping in 1-2
weeks
