Latest Filters

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Baader Solar Eclipse Observing Glasses

Baader Solar Eclipse Observing Glasses£3.00

Manufactured using Baader's NEW 'Silver/Gold' film with 100% UV/IR protection cool 

CE / ISO certified: conforms to the transmission requirements for eye safety EN ISO 12312-2:2015.

ZWO 1.25'' Ha 7nm Narrowband Filter

ZWO 1.25" Ha 7nm Narrowband Filter£126.00

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'' OIII 7nm Narrowband Filter

ZWO 1.25" OIII 7nm Narrowband Filter£126.00

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£126.00

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 Unmounted Narrowband Filter

ZWO 31mm Ha 7nm Unmounted Narrowband Filter£146.00

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 OIII 7nm Unmounted Narrowband Filter

ZWO 31mm OIII 7nm Unmounted Narrowband Filter£146.00

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 Unmounted Narrowband Filter

ZWO 31mm SII 7nm Unmounted Narrowband Filter£146.00

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 Unmounted Narrowband Filter

ZWO 36mm Ha 7nm Unmounted Narrowband Filter£164.00

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 OIII 7nm Unmounted Narrowband Filter

ZWO 36mm OIII 7nm Unmounted Narrowband Filter£164.00

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 Unmounted Narrowband Filter

ZWO 36mm SII 7nm Unmounted Narrowband Filter£164.00

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

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

ZWO 1.25" Ha SII OIII 7nm Narrowband Filter Set£358.00

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

ZWO 31mm Ha SII OIII 7nm Narrowband Filter Set

ZWO 31mm Ha SII OIII 7nm Narrowband Filter Set£413.00

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 Unmounted LRGB Filter Set Optimised for ASI1600

ZWO 31mm Unmounted LRGB Filter Set Optimised for ASI1600£154.00

New ZWO 31mm LRGB filter set designed to approximately equalise the flux of the ASI1600 mono sensor. Offers better transmission, coatings and colour separation.

ZWO 36mm Ha SII OIII 7nm Narrowband Filter Set

ZWO 36mm Ha SII OIII 7nm Narrowband Filter Set£465.00

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 LRGB Filter Set Optimised for ASI1600

ZWO 36mm LRGB Filter Set Optimised for ASI1600£185.00

New ZWO 36mm LRGB filter set designed to approximately equalise the flux of the ASI1600 mono sensor. Offers better transmission, coatings and colour separation.

IDAS D1 QRO Light Pollution Suppression Filter

IDAS D1 QRO Light Pollution Suppression Filter£249.00

New QRO version of the IDAS D1 LPS filter

The Japanese-made IDAS D1 LPS is in our opinion the BEST Light Pollution Suppression filter for astro photography with DSLR and colour and mono CCD cameras.

IDAS HEUIB-II QRO UV/IR Blocking Filter

IDAS HEUIB-II QRO UV/IR Blocking Filter£249.00

New QRO version of the IDAS HEUIB-II filter

The IDAS HEUIB-II (H-alpha Enhanced UV IR Blocking) filter is designed for modified DSLRs and one-shot colour CCD cameras.

Baader Colour Filters for Visual Use

Baader Colour Filters for Visual UseFrom:  £28.00

Premium coloured filters consisting of the following colours: Dark blue (435 nm), Bright blue (470 nm), Green (500 nm), Yellow (495 nm), Orange (570 nm) and Red (610 nm)

ZWO 1.25'' LRGB Filter Set Optimised for ASI1600

ZWO 1.25" LRGB Filter Set Optimised for ASI1600£125.00

New ZWO LRGB filter set designed to approximately equalise the flux of the ASI1600 mono sensor. Offers better transmission, coatings and colour separation.

Baader 36mm Clear filter

Baader 36mm Clear filter£35.00

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"£50.00

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

IDAS MFF-C LPS-D1 Filter Adapter Kit for Full Frame Canon EOS 6D and EOS 5D MarkII

IDAS MFF-C LPS-D1 Filter Adapter Kit for Full Frame Canon EOS 6D and EOS 5D MarkII£299.00

New! Japanese made IDAS MFF-C LPS-D1 filter designed to fit full frame Canon EOS 6D and EOS 5D Mark II cameras only.

IDAS Type 4 52mm RGB Filters

IDAS Type 4 52mm RGB Filters£299.00

Japanese-made IDAS Type 4 52mm RGB filters designed for visual and near infra-red colour imaging with special attention to features which address accurate colour rendition as viewed by the human eye. These are not your regular RGB filters :-)

Explore Scientific CLS Nebula Filter 1.25'' / 2''

Explore Scientific CLS Nebula Filter 1.25" / 2"From:  £43.00

"City Light Suppression" / CLS filter designed to block a good deal of light pollution and let through useful wavelengths for both observing and imaging.

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