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Chroma Narrowband Filter - OIII 3nm - 2"

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0.15 kg
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including VAT 20.00 % ( £129.17 )

CHROMA Narrowband Filters - OIII 3nm - 2" Filter (mounted in 2" filter cell)


OIII 3nm Narrow Band filters isolate the doublet emission of doubly ionized Oxygen.

After ionized hydrogen, this is the next most common emission when imaging nebulae.

Doublet emission occurs at 495.9 and 500.7 nm.

Wavelength (CWL): 500nm

Bandwidth (FWHM): 3nm

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


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