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.

Baader
Filters H-alpha CMOS Narrowband 1.25"
$ 162.00
ready for shipping in 1-2
weeks

Baader
Filters OIII CMOS Narrowband 1.25"
$ 159.00
ready for shipping in 1-2
weeks

Baader
Filters SII CMOS Narrowband 2"
$ 266.00
ready for shipping in 1-2
weeks

Baader
Filters H-alpha/OIII/SII CMOS Narrowband 2"
$ 770.00
ready for shipping in 1-2
weeks

Baader
Filters OIII CMOS Narrowband 50.4mm
$ 320.00
ready for shipping in 1-2
weeks

Baader
Filters H-alpha/OIII/SII CMOS Narrowband 36mm
$ 550.00
ready for shipping in 1-2
weeks

Baader
Filters H-alpha/OIII/SII CMOS Narrowband 31mm
$ 477.00
ready for shipping in 1-2
weeks

Baader
Filters H-Beta CMOS Narrowband 36mm
$ 250.00
ready for shipping in 1-2
weeks

Baader
Filters H-alpha/OIII/SII CMOS Narrowband 1.25"
$ 453.00
ready for shipping in 1-2
weeks

Baader
Filters H-alpha/OIII/SII CMOS Narrowband 65x65mm
$ 1,190.00
ready for shipping in 1-2
weeks

Baader
Filters H-Beta CMOS Narrowband 2"
$ 343.00
ready for shipping in 1-2
weeks

Baader
Filters H-alpha/OIII/SII CMOS Narrowband 50x50mm
$ 930.00
ready for shipping in 1-2
weeks

Baader
Filters H-alpha/OIII/SII CMOS Narrowband 50.4mm
$ 880.00
ready for shipping in 1-2
weeks

Baader
Filters H-alpha CMOS Narrowband 2"
$ 274.00
ready for shipping in 1-2
weeks

Baader
Filters OIII CMOS Narrowband 2"
$ 268.00
ready for shipping in 1-2
weeks

Baader
Filters H-Beta CMOS Narrowband 1.25"
$ 216.00
ready for shipping in 1-2
weeks

Baader
Filters SII CMOS Narrowband 31mm
$ 166.00
ready for shipping in 1-2
weeks

Baader
Filters OIII CMOS Narrowband 36mm
$ 191.00
ready for shipping in 1-2
weeks

Baader
Filters Narrowband SII CMOS 1.25"
$ 156.00
ready for shipping in 1-2
weeks

Baader
Filters H-Beta CMOS Narrowband 65x65mm
$ 510.00
ready for shipping in 1-2
weeks

Baader
Filters SII CMOS Narrowband 65x65mm
$ 411.00
Sale price:
$ 287.19
ready for shipping in 24
h

Baader
Filters H-alpha CMOS Narrowband 65x65mm
$ 419.00
ready for shipping in 1-2
weeks

Baader
Filters OIII CMOS Narrowband 65x65mm
$ 413.00
ready for shipping in 1-2
weeks

Baader
Filters H-Beta CMOS Narrowband 50x50mm
$ 402.00
ready for shipping in 1-2
weeks

Baader
Filters SII CMOS Narrowband 50x50mm
$ 331.00
Sale price:
$ 231.38
ready for shipping in 24
h

Baader
Filters SII CMOS Narrowband 50.4mm
$ 318.00
ready for shipping in 1-2
weeks

Baader
Filters H-Beta CMOS Narrowband 50,4mm
$ 367.00
ready for shipping in 1-2
weeks

Baader
Filters H-alpha CMOS Narrowband 50.4mm
$ 285.00
ready for shipping in 1-2
weeks

Baader
Filters H-Beta CMOS Narrowband 31mm
$ 227.00
ready for shipping in 1-2
weeks

Baader
Filters H-alpha CMOS Narrowband 36mm
$ 192.00
ready for shipping in 1-2
weeks

Baader
Filters SII CMOS Narrowband 36mm
$ 190.00
ready for shipping in 1-2
weeks

Baader
Filters H-alpha CMOS Narrowband 31mm
$ 169.00
ready for shipping in 1-2
weeks

Baader
Filters OIII CMOS Narrowband 31mm
$ 167.00
ready for shipping in 1-2
weeks

Baader
Filters OIII CMOS Narrowband 50x50mm
$ 332.00
ready for shipping in 24
h

Baader
Filters H-alpha CMOS Narrowband 50x50mm
$ 326.00
Sale price:
$ 227.89
ready for shipping in 24
h