Baader S-II Ultra-Narrowband 4nm Ø 2"...
Baader S-II Ultra-Narrowband 4nm Ø 2"...
Baader S-II Ultra-Narrowband 4nm Ø 2"...
Baader S-II Ultra-Narrowband 4nm Ø 2" filter optimized for CMOS
Baader S-II Ultra-Narrowband 4nm Ø 2" filter optimized for CMOS
Baader S-II Ultra-Narrowband 4nm Ø 2" filter optimized for CMOS

Baader S-II Ultra-Narrowband 4nm Ø 2" filter optimized for CMOS

BAD2961478
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Baader S-II Ultra-Narrowband 4nm 2" diameter filter optimized for CMOS

Buy it now and receive it between on Thursday, 9 January and Thursday, 16 January with Home delivery - International

Delivery Options
Carrier Description Estimated Delivery
Home delivery - International Home delivery - International

Thursday, 9 January - Thursday, 16 January

Home delivery - International

Home delivery - International

Estimated delivery:
Thursday, 9 January - Thursday, 16 January

 

2" diameter Baader S-II Ultra-Narrowband 4nm filter optimized for CMOS

This new generation of Baader CMOS filters features:

  • CMOS-optimized Baader filters
  • Increased contrast
  • Narrower and narrower pass bands
  • Reflex-Blocker ™ coatings, for the greatest freedom from halos, even in the most adverse conditions related to auxiliary optics
  • FWHM in each filter category carefully designed to allow 1: 1: 1: 1 exposures, combined for typical CMOS quantum efficiency and s/w ratio
  • Filter thickness identical to existing standards, with extreme care for parafocality
  • Blackened edges all around, with filter lead-side indicator in the form of a black outer edge on the front side, to additionally eliminate any reflections due to light falling on the edge of a filter
  • Each filter individually coated, with sealed coating edge (NOT cut from a larger plate with exposed coatings)
  • Life-Coat ™: increasingly hard coatings to allow for a coating that will not age for life, even in the harshest environment

General Features:

  • 2" x 2 mm Baader S-II ultra narrow band filter - Superior grade - with 2 "(M48) filter thread
  • 4 nm FWHM, recommended for f/10 to f/3.5 optical systems
  • For the highest contrast even with the strongest light pollution, minimizes star size, emphasizes the finest nebula details, indispensable under Bortle 9/8/7 / (6) skies
  • Reflex-Blocker ™ hard-coated and planoptically polished, with sealed coating edges (Life-Coat ™)
  • Blackened edges all around, with filter lead side indicator in the form of a black outer edge on the front side
  • Optimized for modern CMOS cameras, but excellent for CCD camera technologies
  • Mounted on Baader Low Profile Filter Cell (LPFC) - 6 mm high

Technical specifications:

  • MANUFACTURER Baader Planetarium
  • NET WEIGHT (KG) 0.07
  • COLOR Black
  • TRANSMISSION RANGE S-II
  • FILTER THICKNESS (WITHOUT FILTER CELL) 2 mm
  • HBW (HALF BAND WIDTH) 4 nm
  • CWL (CENTER WAVELENGTH LENGTH) 671.7 nm
  • AR-COATING Reflex-Blocker ™ hard-coated, planoptically polished
  • SPECIAL FEATURES CMOS optimized with Life-Coat™ CMOS
  • FILTER SIZE 2 in
  • CMOS, CCD, S-II FILTER USAGE
  • MOUNTED FILTER Mounted (LPFC 6 mm)
  • FILTER TYPE f/2 Ultra-Narrowband
  • sINGLE OR SET? Single filter
  • FILTER SHAPE round

2" Ultra-Narrowband 4nm Baader S-II filter optimized for CMOS

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