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Model: 2961650Brand: Baader
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Baader H-alpha/O-III/S-II Narrowband Filterset – Precision Grade6.5 nm FWHM, recommended for optical systems from f/10 to f/3.5Reflex-Blocker™ hard coated and planeoptically polished – with sealed coating edges (Life-Coat™)Blackened edges all around, with filter-lead-side-indicator in the form of a black frontside outer rimOptimised for modern CMOS cameras, but likewise excellent for CCD camera technologies
Note about Life-Coat™: Limited-Lifetime-Warranty for CMOS-optimized Baader filters:
A Baader Planetarium exclusive. Filters incorporating Baader Planetarium’s Life-Coat™ technology are so durable that Baader Planetarium warrants the coatings for the life of the filter. Baader Planetarium has developed Life-Coat™ using materials and processes that result in coatings which will not degrade or fail for a lifetime. Life-Coat™ coatings resist moisture, temperature extremes, and are hardened to withstand normal cleanings. Baader Planetarium guarantees their Life-Coat™ coatings will not peel, flake or physically degrade and will withstand repeated cleaning with fine optical cleaning equipment. The Limited Lifetime Warranty applies to the original purchaser and does not cover failure from mis-use, physical damage through improper handling, or improper cleaning.
• 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
NET WEIGHT (KG) 0.18-0.26COLOUR BlackTRANSMISSION RANGE H-alpha / O-III / S-IIFILTER THICKNESS (WITHOUT CELL) 2 mm (3mm D50.4 – 65x65mm)HBW (HALFBANDWIDTH) 6.5 nmCWL (CENTRAL WAVELENGTH) 656,3 nm / 500,7 nm / 671,7 nmAR-COATING Reflex-Blocker™ hard coated, planeoptically polishedSPECIAL FEATURES CMOS-optimized with Life-Coat™FILTER SIZE 1 25 inch – 65x65mmFILTER USAGE CMOS, CCD, H-alpha, O-III, S-IIFILTER MOUNTED Mounted (LPFC 6mm)TYPE OF FILTER NarrowbandSINGLE OR SET? Filter-Set
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