Description
This new generation of Baader CMOS-filters features:
- Increased contrast
- Ever more narrow passbands
- Reflex-Blocker™ coatings, for largest ever freedom from halos, even under most adverse conditions concerning aux-optics
- FWHM on each filter category carefully designed to allow for 1:1:1 exposures, matched for typical CMOS quantum efficiency and s/n ratio
- Identical filter thickness to existing standards, with utmost care for parfocality
- Blackened edges all around, with filter-lead-side-indicator in the form of a black frontside outer rim, to additionally eliminate any reflection due to light falling onto the edge of a filter
- Each filter coated individually, with sealed coating edge (NOT cut out of a larger plate with coatings left exposed)
- Life-Coat™: evermore hard coatings to enable a non-aging coating for life – even in a most adverse environment
Features
- SUITABLE FOR F/RATIO: > f/3.4
- TRANSMISSION RANGE: H-alpha
- FILTER THICKNESS (WITHOUT CELL): 2 mm
- HBW (HALFBANDWIDTH): 6.5 nm
- CWL (CENTRAL WAVELENGTH): 656,3 nm
- AR-COATING: Reflex-Blocker™ hard coated, planeoptically polished
- SPECIAL FEATURES: CMOS-optimized with Life-Coat™
- FILTER SIZE: 2 inch
- FILTER USAGE: CMOS, CCD, H-alpha
- FILTER MOUNTED: Mounted (LPFC 6mm)
- TYPE OF FILTER: Narrowband
- SINGLE OR SET?: Single Filter
- FILTER SHAPE: round
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