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Chroma Narrowband Filter - SII 3nm - 50mm Square Unmounted

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0.15 kg
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including VAT 20.00 % ( £126.67 )

CHROMA Narrowband Filters - SII 3nm - 50mm x 50mm SQUARE Unmounted


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

Available on back order. Usual delivery time 7-15 days.


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