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Baader Ultra Narrowband 4.5nm O-III CCD Filter

£319.00
SKU 2458434W

Availability: Immediate Dispatch

  • Baader Ultra-Narrowband 4.5nm O-III CCD-Filter
  • For fast optical systems from f / 10 to f / 3.5
  • non-ageing sealed coating edges
Description

This premium grade ultra narrowband 4.5nm Baader Oxygen III (O-III) filter is for use with fast optical systems with focal ratios between f/3 to f/8. The filter also has non-ageing sealed coated edges for long life.

Specifications
TRANSMISSION RANGE O-III
FILTER THICKNESS (WITHOUT CELL) 2 mm / 3 mm
HBW (HALFBANDWIDTH) 4.5nm
CWL (CENTRAL WAVELENGTH) 502 nm
AR-COATING dielectrically coated, plane-optically polished
FILTER USAGE CCD, O-III
TYPE OF FILTER Narrowband
SINGLE OR SET? Single Filter