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Baader H-alpha (7nm) / OIII (8.5nm) / SII (8nm) CCD Narrowband Filterset

£293.00
SKU 2459461

Availability: Immediate Dispatch

  • Consists of 3 Filters: H-alpha 7nm, O III 8.5nm and S II 8nm
  • Available in 1.25"m 2", 50.4mm round, 50x50mm square and 65x65mm square versions
  • 2mm and 3 mm glass thickness (>50.4mm sizes)
  • Non-ageing sealed coating edges

Specifications

MANUFACTURER Baader Planetarium
TRANSMISSION RANGE multiple bands (see spectral image)
FILTER THICKNESS (WITHOUT CELL) 2 mm
HBW (HALFBANDWIDTH) 7nm
CWL (CENTRAL WAVELENGTH) 656,3 nm;502 nm;673 nm
AR-COATING dielectrically coated, planeoptically polished
FILTER SIZE various
FILTER USAGE CCD, H-alpha, O-III, S-II
FILTER MOUNTED Mounted (LPFC 6mm)
TYPE OF FILTER Narrowband
SINGLE OR SET? Filter-Set
FILTER SHAPE round/square