Filters < Astronomy Half-value width 4 | OPTICS-PRO

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Nebulae filters (52)

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4 (52)

10 (H-alpha), 8 (O-III) (2)

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Altair Astro (1)

Astronomik (9)

Baader (42)

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1,25" (6)

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Appropriate for...

F/10 - F/3.5 (14)

F/3,4 - F/2,3 (14)

F/3.4 - F/1.8 (14)

Price

230 - 350 $ (12)

350 - 590 $ (27)

590 - 1,170 $ (13)

Availability

in stock (8)

short-term (43)

long-term (1)

Baader Filters SII CMOS f/2 Ultra-Highspeed 36mm

Baader

Filters SII CMOS f/2 Ultra-Highspeed 36mm

$ 408.00

ready for shipping in 1-2 weeks

Baader Filters SII CMOS Ultra-Narrowband 36mm

Baader

Filters SII CMOS Ultra-Narrowband 36mm

$ 403.00

ready for shipping in 1-2 weeks

Baader Filters SII CMOS f/3 Ultra-Highspeed 36mm

Baader

Filters SII CMOS f/3 Ultra-Highspeed 36mm

$ 404.00

ready for shipping in 1-2 weeks

Baader Filters OIII CMOS Ultra-Narrowband 36mm

Baader

Filters OIII CMOS Ultra-Narrowband 36mm

$ 398.00

ready for shipping in 1-2 weeks

Baader Filters OIII CMOS f/2 Ultra-Highspeed 36mm

Baader

Filters OIII CMOS f/2 Ultra-Highspeed 36mm

$ 401.00

ready for shipping in 1-2 weeks

Baader Filters OIII CMOS f/3 Ultra-Highspeed 36mm

Baader

Filters OIII CMOS f/3 Ultra-Highspeed 36mm

$ 400.00

ready for shipping in 1-2 weeks

Baader Filters SII CMOS f/3 Ultra-Highspeed 31mm

Baader

Filters SII CMOS f/3 Ultra-Highspeed 31mm

$ 337.00

ready for shipping in 1-2 weeks

Baader Filters OIII CMOS Ultra-Narrowband 31mm

Baader

Filters OIII CMOS Ultra-Narrowband 31mm

$ 333.00

ready for shipping in 1-2 weeks

Baader Filters OIII CMOS f/3 Ultra-Highspeed-Filter 31mm

Baader

Filters OIII CMOS f/3 Ultra-Highspeed-Filter 31mm

$ 334.00

ready for shipping in 1-2 weeks

Baader Filters SII CMOS Ultra-Narrowband 31mm

Baader

Filters SII CMOS Ultra-Narrowband 31mm

$ 336.00

ready for shipping in 1-2 weeks

Baader Filters OIII CMOS f/2 Ultra-Highspeed 1.25"

Baader

Filters OIII CMOS f/2 Ultra-Highspeed 1.25"

$ 319.00

ready for shipping in 1-2 weeks

Baader Filters SII CMOS f/3 Ultra-Highspeed 1.25"

Baader

Filters SII CMOS f/3 Ultra-Highspeed 1.25"

$ 316.00

ready for shipping in 1-2 weeks

Baader Filters f/2 Ultra-Highspeed SII CMOS 1.25"

Baader

Filters f/2 Ultra-Highspeed SII CMOS 1.25"

$ 315.00

ready for shipping in 1-2 weeks

Baader Filters OIII CMOS Ultra-Narrowband 2"

Baader

Filters OIII CMOS Ultra-Narrowband 2"

$ 451.00

Product can be shipped as of 01.06.2026

Baader Filters Ultra-Narrowband SII CMOS 50.4mm

Baader

Filters Ultra-Narrowband SII CMOS 50.4mm

$ 491.00

ready for shipping in 1-2 weeks

Altair Astro Filters SII OIII DualBand ULTRA 4nm 2"

Altair Astro

Filters SII OIII DualBand ULTRA 4nm 2"

$ 650.00

Product can be shipped as of 01.07.2026