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Baader Ultra-Highspeed Narrowband Filters

Baader Ultra-Highspeed filters are CMOS-optimized narrowband filters for very fast astrographs working at f/2 or f/3. With a 3.5nm H-alpha and 4nm O-III and S-II passband, they isolate emission lines tightly while staying matched to the steep light cone of fast optics.

Each line is offered in an f/2 and an f/3 version, so you can pick the filter that suits your system. Complete H-alpha/O-III/S-II sets are available for both focal ratios.

Filters

CA$1,151.00 - CA$2,607.00
CA$1,151.00 - CA$2,607.00
CA$1,151.00 - CA$2,607.00
CA$1,151.00

Baader 3.5/4nm f/2 Ultra-Highspeed Filter Set - CMOS-Optimized H-alpha/O-III/S-II

Options available

3.5nm (H-alpha, S-II) and 4nm (O-III) Bandpasses Optimized for f/2 Ultra-Highspeed Optical Systems CMOS-Optimized with Reflex-Blocker™ Coatings Pr...

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CA$1,151.00 - CA$2,607.00
CA$1,151.00 - CA$2,607.00
CA$1,151.00 - CA$2,607.00
CA$1,151.00
Baader Planetarium Baader S-II 1.25" f/2 Ultra-Highspeed-Filter (4nm) – CMOS-optimized
CA$391.00 - CA$838.00
CA$391.00 - CA$838.00
CA$391.00 - CA$838.00
CA$391.00

Baader Planetarium S-II f/2 Ultra-Highspeed-Filter (4nm) – CMOS-optimized

Options available

4nm FWHM Bandpass for Sulfur-II (S-II) Engineered for f/2 Ultra-Highspeed Optical Systems Available in 1.25" & 2" Mounted, 31mm, 36mm, 50.4mm ...

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CA$391.00 - CA$838.00
CA$391.00 - CA$838.00
CA$391.00 - CA$838.00
CA$391.00
Baader Planetarium Baader H-alpha 1.25" f/2 Ultra-Highspeed-Filter (3.5nm) – CMOS-optimized
CA$431.00 - CA$1,079.00
CA$431.00 - CA$1,079.00
CA$431.00 - CA$1,079.00
CA$431.00

Baader Planetarium H-alpha f/2 Ultra-Highspeed-Filter (3.5nm) – CMOS-optimized

Options available

Engineered for f/2 ultra-highspeed optical systems 3.5nm bandpass for maximum H-alpha contrast CMOS-optimized with anti-reflection coatings Availa...

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CA$431.00 - CA$1,079.00
CA$431.00 - CA$1,079.00
CA$431.00 - CA$1,079.00
CA$431.00
Baader Planetarium Baader 3.5 / 4nm f/3 Ultra-Highspeed Filter-Set 1.25" – CMOS-optimized (H-alpha / O-III / S-II)
CA$1,130.00 - CA$2,457.00
CA$1,130.00 - CA$2,457.00
CA$1,130.00 - CA$2,457.00
CA$1,130.00

Baader Planetarium 3.5 / 4nm f/3 Ultra-Highspeed Filter-Set – CMOS-optimized (H-alpha / O-III / S-II)

Options available

3.5 / 4nm Ultra-Narrow H-alpha, O-III & S-II Bandpasses Pre-Shifted for Fast f/3 "Ultra-Highspeed" Optical Systems CMOS-Optimized with Anti-Re...

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CA$1,130.00 - CA$2,457.00
CA$1,130.00 - CA$2,457.00
CA$1,130.00 - CA$2,457.00
CA$1,130.00
Baader Planetarium Baader S-II 1.25" f/3 Ultra-Highspeed-Filter (4nm) – CMOS-optimized
CA$392.00 - CA$829.00
CA$392.00 - CA$829.00
CA$392.00 - CA$829.00
CA$392.00

Baader Planetarium S-II f/3 Ultra-Highspeed-Filter (4nm) – CMOS-optimized

Options available

4nm Bandwidth (FWHM) Pre-Shifted for Fast f/3 Optical Systems Available in 1.25" & 2" Mounted, 31mm, 36mm & 50.4mm Unmounted Round, and 50...

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CA$392.00 - CA$829.00
CA$392.00 - CA$829.00
CA$392.00 - CA$829.00
CA$392.00
Baader Planetarium Baader H-alpha 1.25" f/3 Ultra-Highspeed-Filter (3.5nm) – CMOS-optimized
CA$417.00 - CA$934.00
CA$417.00 - CA$934.00
CA$417.00 - CA$934.00
CA$417.00

Baader Planetarium H-alpha f/3 Ultra-Highspeed-Filter (3.5nm) – CMOS-optimized

Options available

3.5nm H-alpha Bandpass Optimized for f/3 Ultra-High-Speed Systems Available in 1.25" & 2" mounted, 31mm, 36mm & 50.4mm round unmounted, an...

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CA$417.00 - CA$934.00
CA$417.00 - CA$934.00
CA$417.00 - CA$934.00
CA$417.00
Baader Planetarium Baader O-III 1.25" f/3 Ultra-Highspeed-Filter (4nm) – CMOS-optimized
CA$383.00 - CA$823.00
CA$383.00 - CA$823.00
CA$383.00 - CA$823.00
CA$383.00

Baader Planetarium O-III f/3 Ultra-Highspeed-Filter (4nm) – CMOS-optimized

Options available

4nm FWHM Ultra-Narrow Bandpass Optimized for f/3 and Faster Optical Systems Available in 1.25" & 2" Mounted, 31mm, 36mm & 50.4mm Round Unm...

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CA$383.00 - CA$823.00
CA$383.00 - CA$823.00
CA$383.00 - CA$823.00
CA$383.00
Baader Planetarium Baader O-III 1.25" f/2 Ultra-Highspeed-Filter (4nm) – CMOS-optimized
CA$395.00 - CA$829.00
CA$395.00 - CA$829.00
CA$395.00 - CA$829.00
CA$395.00

Baader Planetarium O-III f/2 Ultra-Highspeed-Filter (4nm) – CMOS-optimized

Options available

4nm FWHM Bandpass Optimized for f/2 Ultra-Highspeed Systems Available in 1.25" & 2" Mounted, 31mm, 36mm, 47.4mm (FCCT) & 50.4mm Round Unmo...

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CA$395.00 - CA$829.00
CA$395.00 - CA$829.00
CA$395.00 - CA$829.00
CA$395.00