Lunático Astronomía

Baader Methane band filter 1.25″, 8 nm

219,35 (price without TAX 181,28)

1¼” Baader Methane band filter 889 nm, plano-optically polished, bandwith: 8 nm. Planetary imaging, specilly Jupiter.

1¼” Baader Methane band filter 889 nm, plano-optically polished, bandwith: 8 nm.

Important note: 

The Baader Methane band filter is a special filter for photographic use only (the human eye is not sensitive in this spectral range). It is recommended e.g. for planetary imaging (especially Jupiter), with webcams and CCD cameras.

Prerequisite for successful use of this filter:

  • IR-sensitive Astro CCD camera and min. 5″ aperture
  • IR-sensitive Webcam and min. 8″ aperture
Transmission curve

Technical Data:

  • Schott RG 830 substrate with super stack dielectric coating
  • for pure methane band transmission
  • non-ageing sealed coating edges
FILTER SIZE 1 25 inch
MANUFACTURER Baader Planetarium
SKU (#) 2458295
EAN CODE 4047825023285
WEIGHT (KG) 0.06
TRANSMISSION RANGE Methan
FILTER THICKNESS (WITHOUT CELL) 2 mm
HBW (HALFBANDWIDTH) 8nm
CWL (CENTRAL WAVELENGTH) 889 nm
AR-COATING dielectrically coated, planeoptically polished
FILTER USAGE CCD, Planetary, Specialty
FILTER MOUNTED Mounted (LPFC 6mm)
TYPE OF FILTER Narrowband
SINGLE OR SET? Single Filter
FILTER SHAPE round

If you any doubt, contact us at info@lunatico.es.

 

 

 

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