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In the nebula filters category you will find both broadband and line filters. The latter only selectively allow the light of a certain spectral line through. OIII and H alpha filters are especially popular. Many deep sky objects will only reveal their full glory when observing using these filters!

As the name suggests, wideband and narrowband filters pass a wider range and narrower of the spectrum. They are used primarily to suppress light pollution.

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Omegon Filters Pro 2'' CLS filter
Omegon
Filters Pro 2'' CLS filter
$ 99.00
ready for shipping in 24 h
Omegon Filters Pro 1.25'' OIII CCD filter
Omegon
Filters Pro 1.25'' OIII CCD filter
$ 139.00
ready for shipping in 24 h
Omegon Filters Pro 2'' SII CCD filter
Omegon
Filters Pro 2'' SII CCD filter
( 1 / 5 )
$ 189.00
ready for shipping in 24 h
Omegon Filters Pro 2'' OIII CCD filter
Omegon
Filters Pro 2'' OIII CCD filter
$ 179.00
ready for shipping in 24 h
Omegon Filters OIII filter 1.25''
Omegon
Filters OIII filter 1.25''
$ 89.00
ready for shipping in 24 h
Baader Filters H-alpha CMOS f/2 Highspeed 31mm
Baader
Filters H-alpha CMOS f/2 Highspeed 31mm
$ 163.00
ready for shipping in 24 h
Baader Filters SII CMOS f/2 Ultra-Highspeed 2"
Baader
Filters SII CMOS f/2 Ultra-Highspeed 2"
Sale price:
$ 389.00
$ 324.94
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Baader Filters SII CMOS f/2 Highspeed 31mm
Baader
Filters SII CMOS f/2 Highspeed 31mm
Sale price:
$ 167.00
$ 135.66
ready for shipping in 24 h
Baader Filters OIII CMOS Narrowband 50x50mm
Baader
Filters OIII CMOS Narrowband 50x50mm
Sale price:
$ 300.00
$ 261.85
ready for shipping in 24 h
Baader Filters OIII CMOS Narrowband 65x65mm
Baader
Filters OIII CMOS Narrowband 65x65mm
Sale price:
$ 374.00
$ 324.94
ready for shipping in 24 h
Baader Filters OIII CMOS f/2 Highspeed 31mm
Baader
Filters OIII CMOS f/2 Highspeed 31mm
Sale price:
$ 166.00
$ 135.66
ready for shipping in 24 h
Baader Filters OIII CMOS f/2 Highspeed 36mm
Baader
Filters OIII CMOS f/2 Highspeed 36mm
$ 182.00
ready for shipping in 24 h
Baader Filters OIII CMOS f/2 Highspeed 50.4mm
Baader
Filters OIII CMOS f/2 Highspeed 50.4mm
Sale price:
$ 266.00
$ 230.30
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Baader Filters OIII CMOS f/2 Highspeed 50x50mm
Baader
Filters OIII CMOS f/2 Highspeed 50x50mm
Sale price:
$ 303.00
$ 261.85
ready for shipping in 24 h
Baader Filters OIII CMOS f/2 Highspeed 65x65mm
Baader
Filters OIII CMOS f/2 Highspeed 65x65mm
Sale price:
$ 380.00
$ 324.94
ready for shipping in 24 h
Baader Filters OIII CMOS f/2 Ultra-Highspeed 31mm
Baader
Filters OIII CMOS f/2 Ultra-Highspeed 31mm
Sale price:
$ 283.00
$ 230.30
ready for shipping in 24 h
Baader Filters OIII CMOS f/2 Ultra-Highspeed 36mm
Baader
Filters OIII CMOS f/2 Ultra-Highspeed 36mm
$ 334.00
ready for shipping in 1-2 weeks
Baader Filters OIII CMOS f/2 Ultra-Highspeed 50.4mm
Baader
Filters OIII CMOS f/2 Ultra-Highspeed 50.4mm
$ 407.00
ready for shipping in 24 h
Baader Filters OIII CMOS f/2 Ultra-Highspeed 50x50mm
Baader
Filters OIII CMOS f/2 Ultra-Highspeed 50x50mm
Sale price:
$ 420.00
$ 261.85
ready for shipping in 24 h
Baader Filters H-alpha CMOS Narrowband 50x50mm
Baader
Filters H-alpha CMOS Narrowband 50x50mm
Sale price:
$ 295.00
$ 251.33
ready for shipping in 24 h
Baader Filters H-alpha CMOS Narrowband 65x65mm
Baader
Filters H-alpha CMOS Narrowband 65x65mm
Sale price:
$ 379.00
$ 324.94
ready for shipping in 24 h
Baader Filters H-alpha CMOS Ultra-Narrowband 50.4mm
Baader
Filters H-alpha CMOS Ultra-Narrowband 50.4mm
$ 437.00
ready for shipping in 24 h
Baader Filters H-alpha CMOS f/2 Highspeed 36mm
Baader
Filters H-alpha CMOS f/2 Highspeed 36mm
Sale price:
$ 185.00
$ 156.69
ready for shipping in 24 h
Baader Filters H-alpha CMOS f/2 Highspeed 50x50mm
Baader
Filters H-alpha CMOS f/2 Highspeed 50x50mm
Sale price:
$ 311.00
$ 261.85
ready for shipping in 24 h
Baader Filters H-alpha CMOS f/2 Highspeed 65x65mm
Baader
Filters H-alpha CMOS f/2 Highspeed 65x65mm
$ 384.00
ready for shipping in 24 h
Baader Filters H-alpha CMOS f/2 Ultra-Highspeed 31mm
Baader
Filters H-alpha CMOS f/2 Ultra-Highspeed 31mm
Sale price:
$ 300.00
$ 251.33
ready for shipping in 24 h
Baader Filters H-alpha CMOS f/2 Ultra-Highspeed 36mm
Baader
Filters H-alpha CMOS f/2 Ultra-Highspeed 36mm
$ 363.00
ready for shipping in 1-2 weeks
Baader Filters SII CMOS Narrowband 50x50mm
Baader
Filters SII CMOS Narrowband 50x50mm
Sale price:
$ 299.00
$ 251.33
ready for shipping in 24 h
Baader Filters SII CMOS Narrowband 65x65mm
Baader
Filters SII CMOS Narrowband 65x65mm
Sale price:
$ 372.00
$ 324.94
ready for shipping in 24 h
Baader Filters SII CMOS Ultra-Narrowband 31mm
Baader
Filters SII CMOS Ultra-Narrowband 31mm
Sale price:
$ 280.00
$ 230.30
ready for shipping in 24 h
Baader Filters f/2 Highspeed SII CMOS 1.25"
Baader
Filters f/2 Highspeed SII CMOS 1.25"
$ 155.00
ready for shipping in 24 h
Baader Filters SII CMOS f/2 Highspeed 36mm
Baader
Filters SII CMOS f/2 Highspeed 36mm
Sale price:
$ 183.00
$ 156.69
ready for shipping in 24 h
Baader Filters f/2 Highspeed SII CMOS 50.4mm
Baader
Filters f/2 Highspeed SII CMOS 50.4mm
Sale price:
$ 267.00
$ 230.30
ready for shipping in 24 h
Baader Filters SII CMOS f/2 Highspeed 50x50mm
Baader
Filters SII CMOS f/2 Highspeed 50x50mm
Sale price:
$ 304.00
$ 261.85
ready for shipping in 24 h
Baader Filters SII CMOS f/2 Highspeed 65x65mm
Baader
Filters SII CMOS f/2 Highspeed 65x65mm
Sale price:
$ 381.00
$ 324.94
ready for shipping in 24 h
Baader Filters SII CMOS f/2 Ultra-Highspeed 31mm
Baader
Filters SII CMOS f/2 Ultra-Highspeed 31mm
Sale price:
$ 282.00
$ 230.30
ready for shipping in 24 h