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Baader S-II 31mm Narrowband-Filter (6.5nm) – CMOS-optimized [BA-FCSIINU-RD31]

BA-FCSIINU-RD31
$317.00 USD
0 in stock
Baader: Baader S-II 31mm Ultra-Narrowband-Filter (4nm) – CMOS-optimized
31 mm x 2 mm Baader S-II Ultra-Narrowband Filter – Premium Grade 4 nm FWHM, recommended for optical systems from f/10 to f/3.5 For highest contrast even at strongest light pollution, minimizes star size, emphasizes finest nebula detail – indispensable under Bortle 9/8/7/(6) skies Reflex-Blocker™ hard coated and planeoptically polished – with sealed coating edges (Life-Coat™) Blackened edges all around, with filter-lead-side-indicator in the form of a telescope-sided black outer rim Optimized for modern CMOS cameras, but likewise excellent for CCD camera technologies SKU 2961476

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About Baader S-II 31mm Narrowband-Filter (6.5nm) – CMOS-optimized [BA-FCSIINU-RD31]

Baader: Baader S-II 31mm Ultra-Narrowband-Filter (4nm) – CMOS-optimized

  • 31 mm x 2 mm Baader S-II Ultra-Narrowband Filter – Premium Grade
  • 4 nm FWHM, recommended for optical systems from f/10 to f/3.5
  • For highest contrast even at strongest light pollution, minimizes star size, emphasizes finest nebula detail – indispensable under Bortle 9/8/7/(6) skies
  • Reflex-Blocker™ hard coated and planeoptically polished – with sealed coating edges (Life-Coat™)
  • Blackened edges all around, with filter-lead-side-indicator in the form of a telescope-sided black outer rim
  • Optimized for modern CMOS cameras, but likewise excellent for CCD camera technologies

SKU 2961476

  • MANUFACTURER    Baader Planetarium
  • SKU (#)    2961476
  • EAN CODE    4047825047977
  • NET WEIGHT (KG)    0.06
  • TRANSMISSION RANGE    S-II
  • FILTER THICKNESS (WITHOUT CELL)    2 mm
  • HBW (HALFBANDWIDTH)    4 nm
  • CWL (CENTRAL WAVELENGTH)    671,7 nm
  • AR-COATING    Reflex-Blocker™ hard coated, planeoptically polished
  • SPECIAL FEATURES    CMOS-optimized with Life-Coat™
  • FILTER SIZE    31 mm
  • FILTER USAGE    CMOS, CCD, S-II
  • FILTER MOUNTED    Unmounted
  • TYPE OF FILTER    Ultra-Narrowband
  • SINGLE OR SET?    Single Filter
  • FILTER SHAPE    round

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