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Filters & Wheels
Filters & Filter Wheels
Showing all 76 results
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Astronomik 26 items
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Baader 32 items
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Chroma 15 items
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Filter Wheels 2 items
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DSLR Astro Conversion Filter for Canon EOS 7-40-50-400-450-500-550-600-1000-1100D
Baader have made an IR cut filter that replaces the standard internal Canon filter. This filter has high transmission of the H-Alpha line and eliminates the cameras’ major disadvantage for astro-imaging.
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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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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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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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The Baader UV IR Block L Filter is excellent at blocking UV and IR, passband is 420nm – 680nm.
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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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OIII CCD filter for narrowband imaging.
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The Astronomik L Filter / Luminance Filter is a high quality UV / IR block filter
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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.
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Chroma H-Alpha 3nm Narrow Band Filter
H-alpha filters are essential for imaging nebulae and other objects which are rich in ionized hydrogen.
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High Optical Quality Plain glass filter, when the full spectrum is required.
Scratch resistant and par-focal with other Astronomik filters, makes a useful dust seal.
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Top of the range IR block filter.
This IR-blocker is optimized for systems with focal ratios between f/0.5 and f/50, typical transmission is higher than 99%.
Suitable for cameras with low sensitivity in the UV such as webcams and the Meade DSI and LPI.
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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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High density coatings on both sides of a specially manufactured foil reduce the intensity of sunlight by up to 99.999%. The sun’s image is extremely contrasty and white,
Size of the ND5 visual film is 20 x 29.5cm. (A4)
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SII filter for narrowband imaging.
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DSLR Astro Conversion Filter for Canon EOS 5 D Mk II & 6D
Baader have made an IR cut filter that replaces the standard internal Canon filter. This filter has high transmission of the H-Alpha line and eliminates the cameras’ major disadvantage for astro-imaging.
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The QHY Filter Wheel 2 Medium Ultraslim is 17mm thick and weighs 675g
It supports the following configurations
- 5 x Standard 2″ filters
- 5 x Round 50mm unmounted filters
- 7 x Round 36mm unmounted filters
- 8 x Standard 1.25″ filters
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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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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.
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The Astronomik OIII CCD Filter 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!
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This filter blocks wavelengths below 685 nm.
At longer wavelengths, planetary images are less disturbed by wavefront distortions in the atmosphere (seeing).
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New LRGBC CCD filter sets from Baader, available in many combinations, all filters are parfocal and complement the existing Narrowband filters.
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The Astronomik SII CCD Filter 12nm enables high contrast imaging of gas nebulae even in moonlight or light polluted areas.
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The Astronomik H Alpha CCD Filter 6nm enables high contrast imaging of emission nebulae, even with full moonlight or in light polluted areas.
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This high quality manual filter wheel allows you to switch between 5 x 1.25″ filters without removing the camera.
At the same time the filters are always safely stored and protected against dew.
The filter wheel is suited to both imaging and visual use and is the most robust low profile filter wheel available at this price.
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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.
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All Chroma LRGB Filter Sets contains 4 x Individual Filters…
- luminance
- red
- green
- blue
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H alpha filter for narrowband imaging
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The Neodymium filter is a contrast filter for all objects within our solar system.
It enhances contrast of reddish details (for example the famous Great Red Spot on Jupiter), as well as of blue details (like some surface and atmospheric details on Mars).
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DSLR-Astro Conversion Filter – Canon 10 / 20 /30 / 350D Filter
Baader have made an IR cut filter that replaces the standard internal Canon filter. This filter has high transmission of the H-Alpha line and eliminates the cameras’ major disadvantage for astro-imaging.
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The OWB (Original White Balance) filter restores the colour balance of an astro modified DSLR to make it suitable for use on terrestrial subjects.
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Baader CCD Complete Filterset 36mm LRGBC Ha 7nm OIII 8.5nm SII 8nm
(2mm glass thickness), consisting of 8 Filters (2459546)Sale! -
TS Neutral Density Filter ND 06 – 25% Transmission, used to reduce glare, especially from the Moon
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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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The Astronomik LRGB type IIc 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.
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Package consists of 3 x Astronomik 12nm Filters…
- H-alpha CCD
- OIII CCD
- SII CCD
Take dramatic “Hubble” style colour composites of nebulae.
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Baader Clearglass Filter
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Use the new Baader Planetarium Calcium K-Line Filter to image the sun in K-Line with any telescope.
Baader’s double-stacked filter uses sophisticated coatings to produce a sharp 8nm wide bandpass, centered at 395nm.
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The Baader H alpha CCD Filter 35nm is for narrowband imaging
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- AstroSolar Photo Film (imaging only), telescope quality, Optical Density = 3.8
- Highest precision film consistently produces Strehl ratios of 94 to 96 percent
Important note: Not suitable for visual Solar Observation!Size of the ND3.8 film is 20 x 30cm
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Astronomik CLS XT Clip-Filter EOS APS-C
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Chroma H-Alpha 8nm Narrow Band Filter
H-alpha filters are essential for imaging nebulae and other objects which are rich in ionized hydrogen.
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Chroma OIII 8nm Narrow Band Filter
OIII 8nm Narrow Band filters isolate the doublet emission of doubly ionized Oxygen.
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Chroma SII 8nm Narrow Band Filter
SII filters isolate the emission from ionized Sulfur atoms, also common in nebulae.
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Chroma Red Filter
T: 603nm – 684nm >=91%avg, 85%min -
Chroma Green Filter – 27mm Round, mounted in 1.25″ ring
T: 500nm – 575nm >=91%avg, 88% min -
Chroma Blue Filter – 27mm Round, mounted in 1.25″ ring
T: 380nm – 500nm >=90%avg, 88% min -
An Individual Red Filter from Astronomik
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Baader Methane band filter 889 nm, bandwith 8 nm
The Methane filter is a specialized filter, that passes a narrow passband 8nm wide in the near infrared portion of the spectrum, centered at 889nm.
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Baader Fringe Killer Filter
This filter is a high transmission UV/IR block filter which also removes violet and some blue light.
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Beginners CCD RGB filterset consisting of 3 colour filters (red, green, blue) and the Baader IR Cut Filter – 1.25″ size.
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Baader Solar Continuum Filter
A unique filter, transmitting a narrow 10nm bandpass around the 540nm region.
The double stacked version is supplied with a 20 x 29cm sheet of ND3.8 AstroSolar Photo Film.
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Midway between the Astronomik CLS and UHC in terms of bandpass, the Baader UHC-S Filter is best used visually by owners of smaller telescopes (8″ or less) for nebular observation or for general observation in areas of high light pollution.
Owners of larger scopes and imagers will get better results with the Astronomik UHC.
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The Astronomik LRGB type IIc Filter Set 1.25″ contains 4 x Individual Filters.
Luminance – Red – Green – Blue
Used to create high quality colour composites with monochrome cameras. Price includes UK delivery.
These filters are well priced high quality dichroics.
Sale! -
All Chroma Ha-LRGB Filter Sets contains 5 x individual filters.
- H-alpha
- luminance
- red
- green
- blue
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Chroma Jovian Methane Filter
This Jovian Methane Band Filter enhances contrast when imaging objects containing significant levels of methane.
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Chroma Clear Filter
Please Contact Bernard at Modern Astronomy for Availability and Lead times.
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Chroma Luminance Filter
T: 385nm – 684nm >=91%avg, 85%min -
An Individual Blue Filter from Astronomik
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An Individual Green Filter from Asronomik
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This UHC-E filter from Astronomik 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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Visual OIII filter, mainly for observing planetary nebulae, unsuitable for use with CCD cameras without an IR block.
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Useful for visual detection of the Horse Head, California and some other nebulae with larger telescopes.
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For use in CCD imaging, often used instead of the SII in narrowband colour composites.
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The Baader Blue CCD Filter
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Baader Green CCD Filter
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The Baader Red CCD Filter
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Baader 6 x Colour Filter Sets, available in 1.25″ and 2″
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The Semi APO filter is suited for all refractor telescope with a discernible secondary spectrum (false colour).
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Baader Contrast Booster Filter
For users of Achromatic telescopes this filter enhances contrast, making brighter objects appear sharper and more clear.
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Visual OIII filter
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H-beta filter for narrowband imaging. 8.5nm Passband
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DSLR Astro Conversion Filter for Canon EOS 300D
Baader have made an IR cut filter that replaces the standard internal Canon filter. This filter has high transmission of the H-Alpha line and eliminates the cameras’ major disadvantage for astro-imaging.
Showing all 76 results
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