Filters & Wheels

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Light Pollution Optolong L-Pro Light Pollution Broadband Filter £145.00
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The Optolong L-Pro filter is designed to provide maximum transmission of the spectrum, except in those areas affected by light pollution.
This listing is for the 2″ filter and the price includes UK delivery.
Please ask about other sizes.
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Individual LRGBC Chroma Clear Filter £125.00 – £350.00
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Chroma Clear Filter
Please Contact Bernard at Modern Astronomy for Availability and Lead times.
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Individual LRGBC Chroma Red Filter £150.00 – £625.00
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Chroma Red Filter
T: 603nm – 684nm >=91%avg, 85%min
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Individual LRGBC Chroma Green Filter £150.00 – £625.00
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Chroma Green Filter – 27mm Round, mounted in 1.25″ ring
T: 500nm – 575nm >=91%avg, 88% min
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Individual LRGBC Chroma Blue Filter £150.00 – £625.00
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Chroma Blue Filter – 27mm Round, mounted in 1.25″ ring
T: 380nm – 500nm >=90%avg, 88% min
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Individual LRGB B-CCD Filter £69.00 – £195.00
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The Baader Blue CCD Filter
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Methane Baader Methane Filter 1.25″ £165.00
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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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Achromat (Minus Violet) Baader Fringe Killer Filter
Rated 4.00 out of 5
£59.00 – £89.00
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The Baader Fringe Killer Filter is a high quality UV/IR block which also removes violet and some blue light. Perfect for imaging and visual use with the smaller fast Chinese achromats and many semi-apos.
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LRGB Based Sets Beginners CCD RGB Filter-Set 1.25″ £82.00
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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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Deep Sky Visual UHC-S Filter £57.00 – £97.00
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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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Canon DSLR Astronomik OIII Visual Filter £89.00 – £188.00
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The Astronomik OIII Visual Filter is mainly for observing planetary nebulae, unsuitable for use with CCD cameras without an IR block.
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UHC Astronomik UHC-E Filter £58.00 – £143.00
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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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QHY QHYCFW3-S-US (7 x 1.25″ / 31mm) Filter Wheel £249.00
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The QHYCFW3-S-US (7 x 1.25″ / 31mm) Filter Wheel is the perfect addition to the QHY183M and similar cameras with smaller sensors.
Ask about quality filter options from all the major filter manufacturers
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Narrowband Chroma OIII 5nm Filter £460.00 – £1,400.00
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Chroma SII 5nm Narrow Band Filter

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Narrowband Chroma SII 5nm Filter £460.00 – £1,400.00
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Chroma SII 5nm Narrow Band Filter

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Canon DSLR Astronomik H-alpha 12nm CCD Clip-Filter EOS R XL £304.00
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The Astronomik H-alpha 12nm CCD Clip-Filter EOS R XL is suitable for imaging of Hydrogen nebulae from sites with light pollution and from dark sites too
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Showing 65–80 of 90 results