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The Astronomik CLS Filter (not IR blocked) is 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.
The IR Pro (742nm) Filter pushes the passband of the Baader and Altair IR pass filters further into the Infra Red. At these longer wavelengths, planetary images are much less disturbed by distortions in the atmosphere.
This is the best “Planet Killer” filter, based on research by Astronomik to determine the optimal passband for enhanced Planetary Imaging, with most amateur equipment.
Sensitivity of most CCD cameras is still fairly high in this region so smaller scopes (>5″) can benefit.
The Astronomik CLS CCD Filter IR Blocked has all the benefits of the standard CLS CCD filter but with IR blocking built in.
This broadband light pollution filter works on all objects and can be used visually and for imaging with CCD and plain glass (full spectrum) modded DSLR cameras.
The Astronomik H-Alpha CCD Filter 12nm enables high contrast imaging of emission nebulae, even with full moonlight or in light polluted areas.
The Astronomik Luminance Filter (L-2) is a high quality UV / IR block filter
Astronomik UHC Filter – 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 modified DSLR cameras.
The Astronomik SII CCD Filter 12nm enables high contrast imaging of gas nebulae even in moonlight or light polluted areas.
Astronomik IR Pro (807nm) Filter – 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.
The Astronomik OIII CCD Filter 12nm 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 Infra-red light!
The Astronomik H-Alpha CCD Filter 6nm enables high contrast imaging of emission nebulae, even with full moonlight or in light polluted areas.
The contrasts between objects that glow in the H-alpha light and the sky background are greatly enhanced.
The 6nm H-alpha filter dramatically increases the contrast between hydrogen fog and the sky background.
The Astronomik LRGB Type 2c Colour Filter Set contains 4 x Individual Filters.
Luminance – Red – Green – Blue
Used to create high quality colour composites with monochrome cameras.
These filters are well priced high quality dichroic LRGB filter sets.
The Astronomik OWB Type 3 Clip-Filters (Original White Balance) restore the colour balance of an astro modified DSLR to make it suitable for use on terrestrial subjects.
Astronomik CLS XT Clip-Filter EOS APS-C
Astronomik Blue Type 2c Filter – An Individual Blue Filter from Astronomik
Astronomik Red Type 2c Filter – An Individual Red Filter from Astronomik
Astronomik Deep-Sky RGB Filterset
Astronomik offers an additional series of high-end RGB filters: The new Astronomik Deep-Sky RGB filter set is specially designed to meet the needs of modern astrophotographers for maximum image quality with all CCD cameras.
Use the Deep-Sky RGB Filter Set to capture images with unparalleled sharpness, contrast, and vivid color.
Astronomik MC-Clear Canon EOS 1000D, 100D, 450D – 760D, 40D – 70D, 7D For Full Spectrum Modification.
Special glass for retrofitting Canon® EOS DSLR cameras to achieve the full spectral sensitivity of the CMOS sensor. Price includes UK delivery.
The Astronomik H-alpha 12nm CCD Clip Filter EOS XL is a narrow band filter for CCD photography. This filter lets the H-alpha light of emission nebulae pass and blocks nearly the whole remainder of the spectrum where the CCD is sensitive.
The Astronomik OIII Visual Filter is mainly for observing planetary nebulae, unsuitable for use with CCD cameras without an IR block.
The Astronomik Luminance Filter (L-3) is a high quality UV / IR block filter
The Astronomik Luminance Filter (L-1) is a high quality UV / IR block filter
This Astronomik SII CCD Filter 6nm is suitable for photographing SII regions from artificially polluted areas as well as places with dark skies. The contrasts between objects that glow in the light of the sulfur line at 672nm and the sky background are greatly enhanced.
The 6nm SII-CCD filter dramatically increases the contrast between hydrogen fog and the sky background.
The Astronomik OIII CCD Filter 6nm dramatically increases the contrast between hydrogen fog and the sky background.
Due to the combination of low half-width and high transmission of almost 100% in the area of the OIII line, the filter delivers a maximum signal in the desired wavelength, but blocks all other radiation and thus ensures an extremely dark sky background.
The Astronomik H-Beta Visual Filter is useful for visual detection of the Horse Head, California and some other nebulae with larger telescopes.
Astronomik Green Type 2c Filter – An Individual Green Filter from Astronomik
This Astronomik UHC-E Filter was designed for 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+
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