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Baader 6.5nm f2 high-speed filter set CMOS-optimized HSO Set
Product Overview
Baader’s next-generation CMOS-optimized narrowband filters are engineered for high-speed imaging systems and deliver exceptional contrast, sharpness, and halo-free performance. This set includes H-alpha, O-III, and S-II filters with a 6.5nm bandwidth, specifically designed for fast optics (f/2 and below) while remaining fully compatible with both CMOS and CCD cameras.
Key Features
CMOS-Optimized Design: Narrower passbands with increased contrast, tailored for the spectral sensitivity and signal-to-noise ratios of modern CMOS sensors
Halo-Free Imaging: Reflex-Blocker™ coatings minimize unwanted reflections and halos, even in challenging optical systems
1:1:1 Exposure Balance: FWHM carefully tuned across all three filters for equal exposure times, matched to typical CMOS quantum efficiency
Parfocal Compatibility: Maintains standard filter thickness for smooth integration with existing filter wheels
Blackened Filter Edges: All-around blackened with a telescope-facing outer rim for reduced edge reflections
Individually Coated & Sealed: Each filter is coated individually with sealed edges—ensuring durability and long-term performance
Life-Coat™ Technology: Permanent hard coatings for maximum resistance to aging and environmental degradation
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