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Baader O-III 10nm Nebula Filter For Visual Observing

2 In Stock - Ships Today if Ordered by 2pm EDT! (Mon - Fri)
$138 CAD
We will price-match in-stock Canadian astronomy dealer pricing


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  • ultra hard and bright O-III visual contrast for 6" and larger telescopes
  • no visual color fringing, just pure O-III
  • non-ageing sealed coating edges

Additional Information

Manufacturer Baader Planetarium
Weight (kg) 0.065
Colour Black
Transmission Range O-III
Filter Thickness (without cell) 2 mm
HBW (Halfbandwidth) 10nm
CWL (Central Wavelength) 502 nm
AR-Coating dielectrically coated, planeoptically polished
Filter Usage Contrast Enhancement, O-III, Planetary
Filter mounted Mounted (LPFC 6mm)
Type of Filter Narrowband
Single or Set? Single Filter
Filter shape round

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