Filters & Wheels

Filters & Filter Wheels

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Showing 1–16 of 92 results

Optolong 2 items
STC 1 items
Astronomik 28 items
Baader 33 items
Chroma Filters 17 items
Filter Wheels 8 items
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Baader DSLR Conversion Filter 7-40-50-60-400-450-500-550-600-1000-1100D £55.00
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The Baader DSLR Conversion Filter 7-40-50-60-400-450-500-550-600-1000-1100D replaces the internal filter and passes Ha very efficiently, eliminating the cameras’ major disadvantage for astro-imaging.
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Canon DSLR Astronomik CLS Filter (not IR blocked) £67.00 – £170.00
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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.
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Narrowband Chroma H-Alpha 3nm Filter
Rated 5.00 out of 5
£539.00 – £1,449.00
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Chroma H-Alpha 3nm Narrow Band Filter
Chroma H-Alpha 3nm Narrow Band Filters are essential for ultra high contrast images of nebulae under high levels of light pollution.
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Filter Wheels QHYCFW3-M-US (7 x 36mm) Colour Filter Wheel £299.00
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The QHYCFW3-M-US (7 x 36mm) Colour Filter Wheel is the perfect addition to the QHY268M camera and many others with APS-C and smaller Sensors.
Ask about quality filter options from Chroma and Astronomik
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Narrowband Chroma OIII 3nm Filter
Rated 5.00 out of 5
£539.00 – £1,449.00
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Chroma OIII 3nm Narrow Band Filter
OIII 3nm Narrow Band filters isolate the doublet emission of doubly ionized Oxygen.
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QHY QHY Colour Filter Wheel 3 – Medium Slim (QHYCFW3-M-US) £299.00
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The QHY Filter Wheel 3 Medium Ultraslim (QHYCFW3-M-US) is 17mm thick and weighs 675g
Please state desired configuration in customer notes when ordering.
It’s available in the following configurations
- 5 x 2″ / M48 or 50mm round filters
- 7 x 36mm unmounted filters
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Canon DSLR Astronomik CLS CCD Filter (IR blocked) £89.00 – £214.00
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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.

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Canon DSLR Astronomik IR Pro (742nm) Filter
Rated 5.00 out of 5
£44.00 – £89.00
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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.
Comparison between Baader UV/IR cut and Astronomik IR Pro 742 filters
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Individual LRGB Baader UV IR Block L Filter £46.00 – £85.00
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The Baader UV IR Block L Filter is excellent at blocking UV and IR, passband is 420nm – 680nm.
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Individual LRGB Astronomik Luminance Filter (L-2) £49.00 – £125.00
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The Astronomik Luminance Filter (L-2) is a high quality UV / IR block filter
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Narrowband Astronomik H-Alpha CCD Filter 12nm £116.00 – £304.00
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The Astronomik H-Alpha CCD Filter 12nm enables high contrast imaging of emission nebulae, even with full moonlight or in light polluted areas.
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LRGB Sets Chroma LRGB Filter Sets
Rated 5.00 out of 5
£489.00 – £1,799.00
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Chroma LRGB Filter Sets contain 4 x Individual Filters
- Luminance Red Green Blue
- Spectral performance has been improved for the Blue and Luminance filters and will be posted when data is available
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Narrowband Chroma SII 3nm Filter
Rated 5.00 out of 5
£539.00 – £1,449.00
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Chroma SII 3nm Narrowband Filter
SII filters isolate the emission from ionized Sulfur atoms, also common in nebulae.
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LRGB Based Sets LRGB CCD Filter Sets from Baader £210.00 – £608.00
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New LRGB CCD filter sets from Baader, available in many combinations, all filters are parfocal and complement the existing Narrowband filters.
Sale!
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Solar Baader Photo AstroSolar Film ND3.8 £29.00
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Baader Photo AstroSolar Film ND3.8 (imaging only), telescope quality for digital solar imaging at high magnifications with short exposure times. Not suitable for visual Solar Observation! ND3.8 film is 20 x 29cm (7.9″ x 11.4″)
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UV / IR Block Baader U (Venus) Filter £185.00 – £240.00
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The Baader U (Venus) Filter enables amateurs to successfully image in the deep UV from 300nm to 400nm. The filter has a peak transmission of 80% and completely blocks the rest of the spectrum from 200nm to 1500nm.
Used to record cloud structures on Venus, the Solar Calcium K-Line is also within the passband of this filter.
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Showing 1–16 of 92 results