Astronomik H-beta 12nm CCD Filters

$189.00$479.00 AUD

The H-beta 12nm CCD-Filter allows you to isolate almost completely the most subtle detail from the H-beta line.

  • Guaranteed transmission of at least 90% at H-beta (typical tranismission around 96%)
  • Suitable for scopes down to f/4. MFR coating process eliminates shift in transmission with different focal ratios
  • Full-Width-Half Maximum (FWHM): 12nm
  • Perfect blocking of unwanted light from UV right through the IR region
  • Filter thickness 1mm – parfocal with all other Astronomik filters
  • 10 year guarantee – insensitive to moisture and aging. Scratch resistant
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