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OVL Light Pollution Filters

OVL Light Pollution Filters£18.00  -  £29.99

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Optolong CLS CCD Light Pollution Filter 2''

Optolong CLS CCD Light Pollution Filter 2"£149.00   £99.00

The CLS-CCD broadband filter is designed to improve the visibility of various deepsky objects. By selectively reducing the transmission of wavelengths of light pollutants, specifically those produced by artificial lightings

Baader 2'' Double Polarising Filter

Baader 2" Double Polarising Filter£100.00

An Ideal filter for sun and Moon observation and contrast enhancement in planetary observations.
To screw into any 1¼" - or 2" eyepieces - for example the Baader Herschel prism (#2956500P or 2956500V)

Baader 7.5nm Solar Continuum Filters (540nm)

Baader 7.5nm Solar Continuum Filters (540nm)£101.00  -  £170.00

The Solar Continuum Filter is practically a narrow band photosphere filter for solar observation in white light. It provides the highest contrast in the photosphere of the sun.

Astronomik ProPlanet 642 BP IR Pass Filter EOS Clip APS-C Fitting

Astronomik ProPlanet 642 BP IR Pass Filter EOS Clip APS-C Fitting£103.00  -  £107.00

The Astronomik ProPlanet 642 BP is the lastest addition to the family of Astromik ProPlanet IR-pass filters. The filter thrills because of it´s wide range of applications.

Explore Scientific O-III Nebula Filter 2''

Explore Scientific O-III Nebula Filter 2"£103.00

Observing difficult, dim Deep Sky targets like Planetary Nebulae and certain supernovae remnants, such as the Veil Nebula in Cygnus from light poluted environments can be a very tricky business.

Explore Scientific 2'' H-Alpha 7nm Nebula Filter

Explore Scientific 2" H-Alpha 7nm Nebula Filter£216.00   £104.00

The EXPLORE SCIENTIFIC H-Alpha filter uses the characteristic of the so-called emission nebulae. These objects glow in certain colors, the so-called emission lines.

Explore Scientific 2'' S-II 6.5nm Nebula Filter

Explore Scientific 2" S-II 6.5nm Nebula Filter£216.00   £104.00

The EXPLORE SCIENTIFIC S-II filter uses the property of the so-called emission nebulae. These objects glow in certain colors, the so-called emission lines.

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

Optolong OIII 6.5nm Narrowband Deep Sky Imaging Filter 1.25"£125.00   £109.00

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   £109.00

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

Astronomik H-Alpha 12nm CCD Filter 1.25''

Astronomik H-Alpha 12nm CCD Filter 1.25"£111.00

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"£111.00

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

Optolong L-Pro Broadband Light Pollution Filter 2''

Optolong L-Pro Broadband Light Pollution Filter 2"£155.00   £114.00

The L-Pro (L-Professional) filter is designed to improve the visibility of various deepsky objects. By selectively reducing the transmission of wavelengths of light pollutants, specifically those produced by artificial lightings

Baader CMOS Optimized Sii 6.5nm Narrowband Filters

Baader CMOS Optimized Sii 6.5nm Narrowband Filters£115.00  -  £196.00

Baader S-II Narrowband Filter – Precision Grade
6.5 nm FWHM, recommended for optical systems from f/10 to f/3.5. Reflex-Blocker™ hard coated and planeoptically polished

Astronomik CLS Canon EOS Clip In Deep Sky & Light Pollution Filter

Astronomik CLS Canon EOS Clip In Deep Sky & Light Pollution Filter£116.00

The Astronomik CLS is a budget filter for visual observation, Black & White photography and CCD photographs of nebulae, galaxies and star clusters with astronomical instruments of any size.

Astronomik OWB CCD Type 3 EOS Clip Filter

Astronomik OWB CCD Type 3 EOS Clip Filter£116.00

The OWB filter would usually not be designated as an "astronomical" filter. The intention is to enable converted DSLR cameras (without inbuilt IR-filter) in order to be used for 'terrestrial' photography.

Astronomik SII 12nm CCD Filter 1.25''

Astronomik SII 12nm CCD Filter 1.25"£116.00

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.

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Page 7 of 17:    270 Items