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Baader UBVRI Bessel Filters – Photometric 100 x 100mm Filter Set
- Manufacturer: Baader Planetarium
- UPC: 4047825050731
- MPN: FBESSET-SQ100
- SKU: FBESSET-SQ100
- Last price was: $3,449.00
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Availability: Backorder
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- Baader Bessel-UBVRI Bandpass Filter Set, suitable from f/15 to f/1.8
- Classic photometric filters with transmission according to Bessel – parfocal with all Baader filters of the same size
- Manufactured with most advanced ion beam coating technology / Daylight-Proof
- Reflex-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 telescope-sided black outer rim
- Equally suitable for modern CMOS cameras as well as for older CCD camera technologies
The new generation of Baader CMOS-optimized filters features:
- Reflex-Blocker™ coatings, for largest ever freedom from halos, even under most adverse conditions concerning aux-optics
- 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 read more)
- Life-Coat™: evermore hard coatings to enable a non-aging coating for life – even in a most adverse environment