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Baader H-alpha Highspeed 6.5nm 65x65 mm filters optimized for CMOS
BAD2961156
Stock at Supplier
301.65
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High-speed H-alpha filters Baader Planetarium in 65x65 mm and optimized to work with CMOS sensors
Highspeed Baader H-alpha 6.5nm 65x65 mm CMOS optimized highspeed filters
This new generation of Baader CMOS filters features:
- CMOS-optimized Baader filters
- Increased contrast
- Increasingly 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:
- 65x65 mm x 3 mm Baader H-alpha high-speed filters - Precision grade
- FWHM of 6.5 nm, recommended for f/3.4 to f/1.8 optical systems
- Specially designed for special filter requirements when used with fast optics such as astrographs Celestron RASA
- 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
MANUFACTURER Baader Planetarium
NET WEIGHT(KG) 0.09
COLOR Black
TRANSMISSION RANGEH-alpha
FILTER THICKNESS (WITHOUT CELL) 3 mm
HBW (HALF-BANDWIDTH) 6.5 nm
CWL (CENTER WAVELENGTH) 656.3 nm
AR-COATING Reflex-Blocker ™ hard-coated, planoptically polished
SPECIAL FEATURES CMOS optimized with Life-Coat ™
FILTER SIZE65x65 mm
FILTER USAGE CMOS, CCD, H-alpha
FILTER MOUNTED ON FILTER UNMOUNTED
FILTER TYPEf / 2 Highspeed
SINGLE OR JOINT? Single filter
FILTER SHAPE square
NET WEIGHT(KG) 0.09
COLOR Black
TRANSMISSION RANGEH-alpha
FILTER THICKNESS (WITHOUT CELL) 3 mm
HBW (HALF-BANDWIDTH) 6.5 nm
CWL (CENTER WAVELENGTH) 656.3 nm
AR-COATING Reflex-Blocker ™ hard-coated, planoptically polished
SPECIAL FEATURES CMOS optimized with Life-Coat ™
FILTER SIZE65x65 mm
FILTER USAGE CMOS, CCD, H-alpha
FILTER MOUNTED ON FILTER UNMOUNTED
FILTER TYPEf / 2 Highspeed
SINGLE OR JOINT? Single filter
FILTER SHAPE square
Highspeed Baader H-alpha 6.5nm 65x65 mm CMOS optimized highspeed filter
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