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Top Sellers

Optolong L-eXtreme Dual Band Narrowband Filter

Optolong L-eXtreme Dual Band Narrowband Filter£179.00  -  £239.00


Baader Solar Continuum Filters

Baader Solar Continuum Filters£58.00  -  £108.00


Astrodon UVenus UV Filter

Astrodon UVenus UV Filter£209.00  -  £219.00

Speciality Filters

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Baader Solar Continuum Filters

Baader Solar Continuum Filters£58.00  -  £108.00

This Baader Planetarium Solar Continuum Filter comes in a fully-threaded 1.25" & 2" round cell.
Works in conjunction with a primary white light solar filter (or Herschel Wedge Prism) to show more granulation and sunspot detail!

Astronomik OWB CCD Type 3 EOS Clip Filter

Astronomik OWB CCD Type 3 EOS Clip Filter£129.00

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.

Baader U Venus Filter 1.25''

Baader U Venus Filter 1.25"£179.00

Baader U-Filter for Venus and UV imaging
Transmission peak approx. 80% at 350nm, bandwidth 60nm (320-380nm), completely blocking the entire spectral range from 200nm to 1120nm

Optolong L-eXtreme Dual Band Narrowband Filter

Optolong L-eXtreme Dual Band Narrowband Filter£179.00  -  £239.00

L-eXtreme is a two 7nm bandpass filter which can be used with one-shot color cameras like DSLR's (digital SLR), and
monochrome CCD cameras, it is also more suited for fast systems.

Astrodon UVenus UV Filter

Astrodon UVenus UV Filter£209.00  -  £219.00

Astrodon introduces a breakthrough in UV filters for CCD imaging. A durable, hard-coated UV filter of the highest quality having the best transmission available.

Baader 1.25'' Calcium K-Line Filter With Baader ND3.8 AstroSolar Film

Baader 1.25" Calcium K-Line Filter With Baader ND3.8 AstroSolar Film£229.00

For solar work use only with 3.8 AstroSolar 200x290mm Photo Film (included). Never use any eyepiece filter for solar observation without objective front filter. Non-ageing sealed coating edges.

Baader U Filter 2'' (ZWL 350NM)

Baader U Filter 2" (ZWL 350NM)£232.00

A new generation Venus filter that allows Amateurs to image fine detail on Venus for the first time. The latest coating technologies permit the Baader Venus Filter to transmit from 300nm to 400nm, with a peak transmission of 80%!

IDAS NBX Nebula Booster Filter

IDAS NBX Nebula Booster Filter£239.00

IDAS NBX Filters are designed to enhance the contrast of Hα and OIII emission nebula, yet accommodate the filter spectral shift when used with modern fast optical systems.


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