Chroma

Try the Astronomy filters professionals use at many major observatories, NASA and JPL – Chroma!
In business for 24 years and experienced in several scientific disciplines, Chroma has made filters for many “famous name” companies in the past, but now operates under its own banner.

Custom filters, in terms of size, extreme F ratios and bandpass, are a speciality – just ask!

We offer free delivery to Europe as well as the UK, and will not be beaten on price, if you find better pricing let us know!

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Clear Glass 1 items
Ha LRGB Sets 1 items
Individual LRGBC 5 items
Light Pollution 1 items
LRGB Sets 1 items
Individual LRGB 4 items
Methane 1 items
Narrowband 7 items
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Narrowband Chroma H-Alpha 3nm Filter
Rated 5.00 out of 5
£485.00 – £1,250.00
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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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Narrowband Chroma OIII 3nm Filter £485.00 – £1,250.00
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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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LRGB Sets Chroma LRGB Filter Sets
Rated 5.00 out of 5
£475.00 – £2,595.00
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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 £485.00 – £1,250.00
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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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Narrowband Chroma H-Alpha 5nm Filter £460.00 – £1,195.00
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Chroma H-Alpha 5nm Narrow Band Filter
The Chroma H-Alpha 5nm Filter is essential when imaging objects rich in ionised hydrogen, works well in light polluted areas and moonlit conditions.
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Narrowband Chroma H-Alpha 8nm Filter £265.00 – £915.00
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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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Narrowband Chroma OIII 8nm Filter £265.00 – £915.00
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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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Narrowband Chroma SII 8nm Filter £265.00 – £915.00
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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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Individual LRGB Chroma Luminance Filter £125.00 – £695.00
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Chroma Luminance Filter – New design to provide better images with modern sensors, especially when used with refractors.
Transmission between 420nm and 693nm is 96% to 99% and glass thickness is 3mm. Transmission data is from an actual filter and representative, but may vary very slightly between samples.
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Ha LRGB Sets Chroma Ha-LRGB Filter Sets £725.00 – £3,495.00
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All Chroma Ha-LRGB Filter Sets contain 5 x individual filters.
- H-alpha 8nm Luminance Red Green Blue
- Spectral performance has been enhanced for modern sensors and will be updated
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Light Pollution Chroma LoGlow Light Pollution Filter £195.00 – £895.00
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Chroma LoGlow Light Pollution Filter

This filter provides balanced color for the visible spectrum while blocking most emission from metal-halide and vapor lamp sources which together contribute to sky glow.
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Clear Glass Chroma Clear Filter £85.00 – £375.00
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Chroma Clear Filter
Please Contact Bernard at Modern Astronomy for Availability and Lead times.
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Individual LRGB Chroma Red Filter £125.00 – £695.00
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Chroma Red Filter
T: 603nm – 684nm >=91%avg, 85%min
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Individual LRGB Chroma Green Filter £125.00 – £695.00
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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 LRGB Chroma Blue Filter £125.00 – £695.00
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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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Methane Chroma Jovian Methane Filter £265.00 – £915.00
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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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Showing all 16 results