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Narrowband Filters

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OVL Hydrogen Beta Filters

OVL Hydrogen Beta Filters£28.00  -  £39.99

This high performance CCD filter transmits only the Hydogen Beta emission line, and therefore is useful for greatly increasing the contrast of objects that glow in the corresponding region of the spectrum, for example the Horsehead, Cocoon and California nebulae.

OVL Oxygen III Narrowband Filter

OVL Oxygen III Narrowband Filter£44.00  -  £59.99

The O-III narrow band-pass filter isolates just the two doubly ionized oxygen lines (496 and 501nm) emitted by diffuse, planetary and extremely faint nebulae.

Antares UHC Narrowband Nebula Filter 1.25''

Antares UHC Narrowband Nebula Filter 1.25"£74.99   £69.99

This high quality UHC filter is a narrowband nebula filter for enhancing globular and planetary deep sky objects. It blocks out a certain band of light to enhance contrast and detail on deep sky objects.

ZWO 31mm H-Alpha 7nm Narrowband Unmounted Filter

ZWO 31mm H-Alpha 7nm Narrowband Unmounted Filter£83.00

Narrowband filters are used to create high contrast deep sky images of certain objects, mainly emission and diffuse nebulae (i.e. Veil Nebula, M42 Orion Nebula, North America Nebula, Horsehead Nebula) or planetary nebulae (i.e. M27 Dumbbell nebula, M57 Ring Nebula, Helix Nebula), just to mention few of well known nebulosities.

Astronomik H-Beta Filters

Astronomik H-Beta Filters£89.00  -  £179.00

The Astronomik H-beta is a filter for visual observation, in particular with instruments of larger aperture. Available in 1.25" and 2" fits.

ZWO 36mm H-Alpha 7nm Narrowband Unmounted Filter

ZWO 36mm H-Alpha 7nm Narrowband Unmounted Filter£94.00

Narrowband filters are used to create high contrast deep sky images of certain objects, mainly emission and diffuse nebulae (i.e. Veil Nebula, M42 Orion Nebula, North America Nebula, Horsehead Nebula) or planetary nebulae (i.e. M27 Dumbbell nebula, M57 Ring Nebula, Helix Nebula)

ZWO Duo-Band Dual Narrowband Filter 1.25''

ZWO Duo-Band Dual Narrowband Filter 1.25"£99.00

The ZWO Duo-Band Filter is a dual narrowband filter primarily aimed at complementing our range of colour ASI cameras and offers an economical entry into the world of narrowband imaging and can also offer a practical solution to imaging in light polluted urban areas.

Baader H-Alpha 7nm CCD Narrowband Filters

Baader H-Alpha 7nm CCD Narrowband Filters£102.00  -  £164.00

CCD imagers will find that Baader's new Narrowband 7nm H-Alpha pass filter delivers the absolute highest contrast deep sky images of H-II regions, all with the shortest exposures possible.

ZWO 1.25'' H-Alpha 7nm Narrowband Filter

ZWO 1.25" H-Alpha 7nm Narrowband Filter£114.00

Narrowband filters are used to create high contrast deep sky images of certain objects, mainly emission and diffuse nebulae (i.e. Veil Nebula, M42 Orion Nebula, North America Nebula, Horsehead Nebula) or planetary nebulae

ZWO 1.25'' OIII 7nm Narrowband Filter

ZWO 1.25" OIII 7nm Narrowband Filter£114.00

The ZWO OIII 7nm narrowband filter is designed for nebula observation allowing 7nm bandwidth of light centered on a wavelength of 500nm, which corresponds to OIII emission lines, blocking out all other light.

ZWO 1.25'' SII 7nm Narrowband Filter

ZWO 1.25" SII 7nm Narrowband Filter£114.00

The ZWO SII 7nm narrowband filter passes light at 672nm wavelength with a bandpass of 7nm which is designed for nebula observation and imaging. It is suitable for visual observation on most emission nebulae

Astronomik H-Alpha 12nm CCD Filter 1.25''

Astronomik H-Alpha 12nm CCD Filter 1.25"£115.00

This H-alpha Filter is suitable for imaging of Hydrogen nebulas from observation sites with light pollution and from dark sites as well. The FWHm of 12nm is optimized for typical DSLR cameras with CMOS sensors and CCD cameras with a normal/high dark current.

Astronomik OIII 12nm CCD Filter 1.25''

Astronomik OIII 12nm CCD Filter 1.25"£115.00

This Astronomik OIII-CCD Filter is suitable for imaging of OIII nebulas from observation sites with light pollution and from dark sites as well.

Astronomik SII 12nm CCD Filter 1.25''

Astronomik SII 12nm CCD Filter 1.25"£115.00

This SII Filter is suitable for imaging of SII-regions from observation sites with light pollution and from dark sites as well. Contrast is massively increased.

Optolong OIII 6.5nm Narrowband Deep Sky Imaging Filter 1.25''

Optolong OIII 6.5nm Narrowband Deep Sky Imaging Filter 1.25"£125.00   £115.00

The Optolong extra Narrowband OIII-CCD 6.5nm filter is designed for nebula observation allowing 6.5nm bandwidth of light centered on a wavelength of 500nm through, which corresponds to OIII emission lines, and reducing the transmission of certain wavelengths of light

Optolong SII 6.5nm Narrowband Deep Sky Imaging Filter 1.25''

Optolong SII 6.5nm Narrowband Deep Sky Imaging Filter 1.25"£125.00   £115.00

Optolong extra narrowband SII-CCD 6.5nm filter (Sulful II for CCD) is designed for nebula observation allowing 6.5nm bandwidth of light centered on a wavelength of 672nm through, and reducing the transmission of certain wavelengths

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Page 1 of 5:    76 Items