Narrowband

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Baader 36mm Clear filter

Baader 36mm Clear filter£38.00

Baader clear glass filter, unmounted 36mm round, 2mm thick.

Baader Clear Focusing Filter 1.25''

Baader Clear Focusing Filter 1.25"£33.00

Baader clear glass filter, 1.25" mounted, 2mm thick glass. Low profile filter cell (LPFC).

Baader Clear Focusing Filter 2''

Baader Clear Focusing Filter 2"£55.00

Baader clear glass filter, 2" mounted, 2mm thick glass. Low profile filter cell (LPFC).

Baader f/2 Highspeed Narrowband Filters

Baader f/2 Highspeed Narrowband FiltersFrom:  £117.00

Available in 1.25" and 2" sizes, H-alpha, OIII and SII. These filters are designed especially for the delicate requirements of extremely fast astrograph optics, in particular Hyperstar and Celestron's New Rowe-Ackermann Astrograph (RASA).

Baader Narrowband CCD Filters 1.25''

Baader Narrowband CCD Filters 1.25"From:  £67.00

Baader's new Narrowband CCD Emission Line & H-Alpha Filters deliver the absolute highest contrast deep sky images in H-Alpha, H-Beta, Oxygen III, and Sulfur-II, with the shortest exposures possible. 

In addition to their special transmission properties, the Baader coatings were developed with another key goal in mind - to reduce the annoying reflections present in other astro-filters. 

Baader Narrowband CCD Filters 2'' mounted

Baader Narrowband CCD Filters 2" mountedFrom:  £115.00

Baader's new Narrowband CCD Emission Line & H-Alpha Filters deliver the absolute highest contrast deep sky images in H-Alpha, H-Beta, Oxygen III, and Sulfur-II, with the shortest exposures possible. 

In addition to their special transmission properties, the Baader coatings were developed with another key goal in mind - to reduce the annoying reflections present in other astro-filters. 

Baader Narrowband CCD Filters 2'' unmounted

Baader Narrowband CCD Filters 2" unmountedFrom:  £167.00

Baader's new Narrowband CCD 50.4mm (2") unmounted Emission Line & H-Alpha Filters with 3mm glass deliver the absolute highest contrast deep sky images in H-Alpha, Oxygen III, and Sulfur-II, with the shortest exposures possible.  

In addition to their special transmission properties, the Baader coatings were developed with another key goal in mind - to reduce the annoying reflections present in other astro-filters. 

Baader Narrowband CCD Filters 36mm unmounted

Baader Narrowband CCD Filters 36mm unmountedFrom:  £103.00

Baader's new Narrowband CCD 36mm unmounted Emission Line & H-Alpha Filters deliver the absolute highest contrast deep sky images in H-Alpha, Oxygen III, and Sulfur-II, with the shortest exposures possible. 

In addition to their special transmission properties, the Baader coatings were developed with another key goal in mind - to reduce the annoying reflections present in other astro-filters. 

Baader Narrowband Enforced 3.5nm H-alpha Filter

Baader Narrowband Enforced 3.5nm H-alpha FilterFrom:  £315.00

Designed for imaging the extremely narrow 3.5nm H-alpha band. The enforced contrast results in much fainter starts providing more signal in the fainter nebula details.

ZWO 1.25'' Ha 7nm Narrowband Filter

ZWO 1.25" Ha 7nm Narrowband Filter£129.00

The ZWO H-Alpha filter  has a bandpass of  7nm and passes light at 656nm  wavelength, light transmission rate comes up to 80%.

ZWO 1.25'' Ha SII OIII 7nm Narrowband Filter Set

ZWO 1.25" Ha SII OIII 7nm Narrowband Filter Set£364.00

This new Narrowband filter set from ZWO includes H-Alpha, Oxygen III, and Sulfur-II filters for high contrast deep sky images. 

ZWO 1.25'' OIII 7nm Narrowband Filter

ZWO 1.25" OIII 7nm Narrowband Filter£129.00

The ZWO narrowband O-III 7nm filter is designed for nebula observation allowing 7nm bandwidth of light centred on a wavelength of 500nm through.

ZWO 1.25'' SII 7nm Narrowband Filter

ZWO 1.25" SII 7nm Narrowband Filter£129.00

The ZWO narrowband S-II 7nm filter passes light at 672nm wavelength with a bandpass of 7nm which is designed for nebula observation.

ZWO 31mm Ha 7nm Narrowband Filter

ZWO 31mm Ha 7nm Narrowband Filter£149.00

The ZWO H-Alpha filter  has a bandpass of  7nm and passes light at 656nm  wavelength, light transmission rate comes up to 80%.

ZWO 31mm Ha SII OIII 7nm Narrowband Filter Set

ZWO 31mm Ha SII OIII 7nm Narrowband Filter Set£420.00

This new Narrowband filter set from ZWO includes H-Alpha, Oxygen III, and Sulfur-II filters for high contrast deep sky images. 

NOTE: Photo shows 1.25" filters but the filters supplied are 31mm.

ZWO 31mm OIII 7nm Narrowband Filter

ZWO 31mm OIII 7nm Narrowband Filter£149.00

The ZWO narrowband O-III 7nm filter is designed for nebula observation allowing 7nm bandwidth of light centred on a wavelength of 500nm through.

ZWO 31mm SII 7nm Narrowband Filter

ZWO 31mm SII 7nm Narrowband Filter£149.00

The ZWO narrowband S-II 7nm filter passes light at 672nm wavelength with a bandpass of 7nm which is designed for nebula observation.

ZWO 36mm Ha 7nm Narrowband Filter

ZWO 36mm Ha 7nm Narrowband Filter£167.00

The ZWO H-Alpha filter  has a bandpass of  7nm and passes light at 656nm  wavelength, light transmission rate comes up to 80%.

ZWO 36mm Ha SII OIII 7nm Narrowband Filter Set

ZWO 36mm Ha SII OIII 7nm Narrowband Filter Set£474.00

This new Narrowband filter set from ZWO includes H-Alpha, Oxygen III, and Sulfur-II filters for high contrast deep sky images. 

NOTE: Photo shows 1.25" filters but the filters supplied are 36mm.

ZWO 36mm OIII 7nm Narrowband Filter

ZWO 36mm OIII 7nm Narrowband Filter£167.00

The ZWO narrowband O-III 7nm filter is designed for nebula observation allowing 7nm bandwidth of light centred on a wavelength of 500nm through.

ZWO 36mm SII 7nm Narrowband Filter

ZWO 36mm SII 7nm Narrowband Filter£167.00

The ZWO narrowband S-II 7nm filter passes light at 672nm wavelength with a bandpass of 7nm which is designed for nebula observation.

    

Page 1 of 1:    21 Items
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