Chroma OIII 5nm Narrow Band Filters

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  • Regular price $460.00
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  • Parfocal for systems f/4.0 or slower
  • Transmitted wavefront better than 0.25 waves/inch
  • Parallelism: less than 30 arcsec
  • Made in America
  • H-Alpha 5nm Narrow Band Filter


Chroma OIII 5nm Narrow Band Filters

Chroma OIII 5nm Narrow Band Filters are essential for imaging objects, like nebulae, that are rich in ionized oxygen atoms. These line emission filters work extremely well in heavy light polluted areas and allow you image on nights when the moon is up.


Filter TypeOIII
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