Astronomik
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EOS Clip filters
The EOS clip filter system fits the following cameras:
7D, 20D, 20Da, 30D, 40D, 50D, 300D, 350D, 400D, 450D, 500D, 1000D
Unfortunately, you can't use EF-S lenses.
Astronomik Standard CLS Filter (not IR blocked) - from £59
The best deep sky and general purpose filter and one of my favourites. This broadband light pollution filter works on all objects for both visual use, and imaging with standard and Baader modded DSLR cameras. Blocks Sodium, Mercury and air-glow emission. Can also be used as an effective minus violet filter by refractor owners. Not UV / IR blocked.
Astronomik CCD CLS Filter (IR blocked) - from £81
The best deep sky and general purpose filter and one of my favourites. This broadband light pollution filter works on all objects for visual use, and imaging with CCD and plain glass (full spectrum) modded DSLR cameras. Blocks Sodium, Mercury and air-glow emission. Can also be used as an effective minus violet filter by refractor owners. These are UV / IR blocked.
Astronomik H Alpha Filter 12nm and 6nm - from £96
Enables high contrast imaging of emission nebulae, even with full moonlight or in light polluted areas.
Astronomik OIII CCD Filter - from £100
Enables high contrast imaging of planetary nebulae even with moonlight or in light polluted areas. Please note this is the CCD filter which unlike the cheaper "visual" version does not pass Infrared light!
Astronomik SII Filter - from £100
Enables high contrast imaging of gas nebulae even in moonlight or light polluted areas.
Astronomik Emission line filter set - from £290.00
Package consists of Astronomik H-alpha (12nm), OIII and SII CCD filters. Take dramatic "Hubble" style colour composites of nebulae.
Astronomik H Beta CCD Filter - from £100
For use in CCD imaging, often used instead of the SII in narrowband colour composites.
Astronomik H Beta Visual Filter - from £83.00
Useful for visual detection of the Horse Head, California and some other nebulae with larger telescopes.
Astronomik OIII Visual Filter - from £83.00
Visual OIII filter, mainly for observing planetary nebulae, unsuitable for use with CCD cameras without an IR block.
Astronomik UHC Filter - from £79.00
This filter was designed for the visual observation of emission and planetary nebulae but also works well for imaging these objects if used with an IR block filter. Good results can be obtained with DSLR cameras.
Astronomik UHC-E Filter - from £55.00
This filter was designed for the visual observation of emission and planetary nebulae with smaller telescopes (<8") but also works well for imaging these objects if used with an IR block filter. Good combined with the Watec 120N+
Astronomik L-RGB type II - from £219.00
Used to create high quality colour composites with monochrome cameras. These filters are the lowest priced high quality dichroic LRGB filter sets on the market.
Astronomik individual L, R, G, B - from £41.00
Individual LRGB filters
Astronomik IR block filter - from £33.00
Top of the range IR block filter.
Astronomik IR Pro (742nm) filter - from £33.00
This filter extends the IR passband of the Baader IR pass even further into the IR. At these longer wavelengths, planetary images are less disturbed by distortions in the atmosphere. Sensitivity of most CCD cameras is still fairly high in this region so smaller scopes (>5") can benefit.
Astronomik IR Pro (807nm) filter - from £33.00
This filter extends the IR passband much deeper into the IR. These very long wavelengths allow planetary imaging in poorer seeing conditions than normal. The sensitivity of most CCD cameras is reduced in this region so scopes of over 8" aperture draw the most benefit.
Astronomik OWB (Original White Balance) - from £58.00
The OWB (Original White Balance) filter shifts the complete spectrum of a converted DSLR in for use as a normal camera.
Astronomik MC-Clear glass Filter - from £29.00
Plain glass filter when the full spectrum is required, makes a very useful dust seal.