Chroma
Highest Quality Filters from the world's best filter manufacturer. They do not need introduction.
Ask About Stock
Brand: Chroma
CHROMA Narrowband Filters - SII 3nm - 1.25" Filter (mounted in 1.25" filter cell)
FREE UK DELIVERY!
SII filters isolate the emission from ionized Sulfur atoms, also common in nebulae.
Emission is at two lines occurring as a doublet, at 671.6 and 673.1 nm.
Wavelength (C..
£549.00
Ex Tax:£457.50
Ask About Stock
Brand: Chroma
CHROMA Narrowband Filters - SII 3nm - 2" Filter (mounted in 2" filter cell)
FREE UK DELIVERY!
SII filters isolate the emission from ionized Sulfur atoms, also common in nebulae.
Emission is at two lines occurring as a doublet, at 671.6 and 673.1 nm.
Wavelength (CWL): 672nm
Bandwidth (..
£1,235.00
Ex Tax:£1,029.17
Ask About Stock
Brand: Chroma
Chroma Narrowband Filter - SII 3nm - 31mm Unmounted Round Filter
FREE UK DELIVERY!
SII filters isolate the emission from ionized Sulfur atoms, also common in nebulae.
Emission is at two lines occurring as a doublet, at 671.6 and 673.1 nm.
Wavelength (CWL): 672nm
Bandwidth (FWHM): 3nm
..
£549.00
Ex Tax:£457.50
Ask About Stock
Brand: Chroma
Chroma Narrowband Filter - SII 3nm - 36mm Unmounted Round Filter
FREE UK DELIVERY!
SII filters isolate the emission from ionized Sulfur atoms, also common in nebulae.
Emission is at two lines occurring as a doublet, at 671.6 and 673.1 nm.
Wavelength (CWL): 672nm
..
£749.00
Ex Tax:£624.17
Ask About Stock
Brand: Chroma
CHROMA Narrowband Filters - SII 3nm - 50mm ROUND Unmounted
FREE UK DELIVERY!
SII filters isolate the emission from ionized Sulfur atoms, also common in nebulae.
Emission is at two lines occurring as a doublet, at 671.6 and 673.1 nm.
Wavelength (CWL): 672nm
Bandwidth (FWHM): 3nm
Avai..
£1,188.00
Ex Tax:£990.00
Ask About Stock
Brand: Chroma
CHROMA Narrowband Filters - SII 3nm - 50mm x 50mm SQUARE Unmounted
FREE UK DELIVERY!
SII filters isolate the emission from ionized Sulfur atoms, also common in nebulae.
Emission is at two lines occurring as a doublet, at 671.6 and 673.1 nm.
Wavelength (CWL): 672nm
Bandwidth (FWHM): 3n..
£1,473.00
Ex Tax:£1,227.50
Ask About Stock
Brand: Chroma
CHROMA Narrowband Filters - SII 5nm - 1.25" Filter (mounted in 1.25" filter cell)
FREE UK DELIVERY!
SII filters isolate the emission from ionized Sulfur atoms, also common in nebulae.
Emission is at two lines occurring as a doublet, at 671.6 and 673.1 nm.
Wavelength (C..
£429.00
Ex Tax:£357.50
Ask About Stock
Brand: Chroma
CHROMA Narrowband Filters - SII 5nm - 2" Filter (mounted in 2" filter cell)
FREE UK DELIVERY!
SII filters isolate the emission from ionized Sulfur atoms, also common in nebulae.
Emission is at two lines occurring as a doublet, at 671.6 and 673.1 nm.
Wavelength (CWL):&n..
£899.00
Ex Tax:£749.17
Ask About Stock
Brand: Chroma
Chroma Narrowband Filter - SII 5nm - 31mm Unmounted Round Filter
FREE UK DELIVERY!
SII filters isolate the emission from ionized Sulfur atoms, also common in nebulae.
Emission is at two lines occurring as a doublet, at 671.6 and 673.1 nm.
Wavelength (CWL): 672nm
..
£429.00
Ex Tax:£357.50
Ask About Stock
Brand: Chroma
Chroma Narrowband Filter - SII 5nm - 36mm Unmounted Round Filter
FREE UK DELIVERY!
SII filters isolate the emission from ionized Sulfur atoms, also common in nebulae.
Emission is at two lines occurring as a doublet, at 671.6 and 673.1 nm.
Wavelength (CWL): 672nm
..
£579.00
Ex Tax:£482.50
Ask About Stock
Brand: Chroma
CHROMA Narrowband Filters - SII 5nm - 50mm ROUND Unmounted
FREE UK DELIVERY!
SII filters isolate the emission from ionized Sulfur atoms, also common in nebulae.
Emission is at two lines occurring as a doublet, at 671.6 and 673.1 nm.
Wavelength (CWL): 672nm
Bandw..
£869.00
Ex Tax:£724.17
Ask About Stock
Brand: Chroma
CHROMA Narrowband Filters - SII 5nm - 50mm x 50mm SQUARE Unmounted
FREE UK DELIVERY!
SII filters isolate the emission from ionized Sulfur atoms, also common in nebulae.
Emission is at two lines occurring as a doublet, at 671.6 and 673.1 nm.
Wavelength (CWL): 672nm
..
£1,289.00
Ex Tax:£1,074.17