Baader H-Beta Narrowband 5.5nm Ø 2"...
Baader H-Beta Narrowband 5.5nm Ø 2"...
Baader H-Beta Narrowband 5.5nm Ø 2" filters optimized for CMOS
Baader H-Beta Narrowband 5.5nm Ø 2" filters optimized for CMOS

Baader H-Beta Narrowband 5.5nm Ø 2" filters optimized for CMOS

BAD2961083
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H-Beta narrow band filters Baader Planetarium in 2" diameter and optimized to work with CMOS sensors

Buy it now and receive it between on Friday, 15 November and Friday, 22 November with Home delivery - International

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

Friday, 15 November - Friday, 22 November

Home delivery - International

Home delivery - International

Estimated delivery:
Friday, 15 November - Friday, 22 November

 

Baader H-Beta 5.5nm 2" CMOS optimized Narrowband Baader H-Beta Filters

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 harder coatings to allow for a coating that will not age for life, even in the harshest environment
Summary key features:
  • 2" x 2 mm Baader H-Beta narrow band filters - Precision grade - with 2" (M48) filter thread
  • 5.5 nm FWHM, recommended for f/10 to f/3.5 optical systems
  • 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
MANUFACTURER Baader Planetarium
NET WEIGHT (KG) 0.07
COLOR Black
TRANSMISSION RANGEH-Beta
FILTER THICKNESS (WITHOUT FILTER CELL) 2 mm
HBW (HALF-BANDWIDTH) 5.5 nm
CWL (CENTER WAVELENGTH) 486.1 nm
AR-COATING Reflex-Blocker ™ hard-coated, planoptically polished
SPECIAL FEATURES CMOS optimized with Life-Coat ™
FILTER SIZE2 inches
FILTER USAGE CMOS, CCD, H-Beta
FILTER MOUNTED Mounted (LPFC 6 mm)
FILTER TYPENarrowband
SINGLE OR CONJUNCTIVE? Single Filter
FILTER SHAPE Round

Narrowband Baader H-Beta 5.5nm 2" Narrowband Filters Optimized for CMOS

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