Latest Filters

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

ZWO 1.25" Ha SII OIII 7nm Narrowband Filter Set£392.00

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£438.00

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 LRGB Filter Set Optimised for ASI1600

ZWO 31mm LRGB Filter Set Optimised for ASI1600£158.00

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£498.00

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£189.00

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:  £31.00

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£139.00

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£39.00

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).

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£269.00

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:  £46.00

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

Explore Scientific O-III Nebula Filter 1.25'' / 2''

Explore Scientific O-III Nebula Filter 1.25" / 2"From:  £54.00

Designed for observation of objects which emit on the wavelengths of ionised Oxygen (OIII) including Planetary Nebulae and large supernovae remnants such as the Veil Nebula.

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

Explore Scientific UHC Nebula Filter 1.25" / 2"From:  £46.00

Enhancing virtually every nebulous target in the sky, this filter is optimised for transmission around two specific lines: the 425-525nm OIII wavelengths and the 625-700+ nm Hydrogen wavelengths.

ZWO 1.25'' LRGB Filter Set

ZWO 1.25" LRGB Filter Set£72.00

ZWO LRGB filter set designed for CCD/CMOS astrophotography.

Baader Single Polarising Filter

Baader Single Polarising FilterFrom:  £33.00

1.25" or 2" single polarising filter. Helps enhance contrast during planetary observations and extremely useful for solar work in conjunction with a Baader Hershel Wedge.

IDAS MFA Filter Adapter Kit for Canon EOS

IDAS MFA Filter Adapter Kit for Canon EOS£199.00

Enables you to mount a special low-profile 37mm IDAS LPS-D1, HEUIBII or LPS-V4 filter into certain Canon EOS DSLR cameras using a simple, tool-less procedure.  

Baader UBVRI Photometric 1.25'' Filter Set

Baader UBVRI Photometric 1.25" Filter Set£598.00

Baader UBVRI Photometric 1.25" Filter Set. 4mm glass. Low profile filter cell (LPFC). Planoptically polished.

Baader UBVRI Photometric B-Filter 1.25''

Baader UBVRI Photometric B-Filter 1.25"£152.00

Baader UBVRI Photometric B-Filter 1.25". 4mm glass. Low profile filter cell (LPFC). Planoptically polished.

Baader UBVRI Photometric I-Filter 1.25''

Baader UBVRI Photometric I-Filter 1.25"£152.00

Baader UBVRI Photometric I-Filter 1.25". 4mm glass. Low profile filter cell (LPFC). Planoptically polished.

Baader UBVRI Photometric R-Filter 1.25''

Baader UBVRI Photometric R-Filter 1.25"£152.00

Baader UBVRI Photometric R-Filter 1.25". 4mm glass. Low profile filter cell (LPFC). Planoptically polished.

Baader UBVRI Photometric U-Filter 1.25''

Baader UBVRI Photometric U-Filter 1.25"£152.00

Baader UBVRI Photometric U-Filter 1.25". 4mm glass. Low profile filter cell (LPFC). Planoptically polished.

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