Baader H-alpha 31mm Narrowband-Filter (6.5nm) – CMOS-optimized

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.

Specifications: Baader H-alpha 31mm Narrowband-Filter (6.5nm) – CMOS-optimized

• MANUFACTURER: Baader Planetarium
• SKU (#): 2961101
• EAN CODE: 4047825046925
• NET WEIGHT (KG): 0.06
• COLOUR: Black
• 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: 31 mm
• FILTER USAGE: CMOS, CCD, H-alpha
• FILTER MOUNTED: Unmounted
• TYPE OF FILTER: Narrowband
• SINGLE OR SET: Single Filter
• FILTER SHAPE: round

Kit Content:

Baader H-alpha 31mm Narrowband-Filter (6.5nm) – CMOS-optimized

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