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Model: 2459451Brand: Baader
Generally In Stock, Please Confirm Before Ordering
This premium grade ultra narrowband 3.5nm Baader H-Alpha (Ha) filter is for use with fast optical systems with focal ratios between f/3.5 to f/10. The filter also has non-ageing sealed coated edges for long life.
Baader Ultra-Narrowband 3.5nm H-Alpha CCD-FilterDeep sky imaging useFor fast optical systems from f / 10 to f / 3.5non-ageing sealed coating edges
TRANSMISSION RANGE H-AlphaFILTER THICKNESS (WITHOUT CELL) 2 mm / 3 mmHBW (HALFBANDWIDTH) 3.5nmCWL (CENTRAL WAVELENGTH) 656.3 nmAR-COATING dielectrically coated, plane-optically polishedFILTER USAGE CCD, HαTYPE OF FILTER NarrowbandSINGLE OR SET? Single Filter
Available in the following sizes. Please select from the drop down box above.
1.25" Mounted2" Mounted31mm Unmounted36mm Unmounted50.4mm Round (3mm glass thickness)50x50mm Square (3mm glass thickness)65x65mm Square (3mm glass thickness)
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Rother Valley Optics
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