Baader UV/IR-Cut / L-Filter - CMOS-Optimized

• Baader CMOS UV/IR-Cut (420 – 685 nm) bandpass filter, suitable from f/15 to f/1.8
• Reflects harmful thermal radiation in the infrared spectral range
• Provides 98% transmission over the entire visible spectrum from 420 - 685 nm
• Prevents blurred star imaging with red-sensitive digital and CCD/CMOS cameras
• Reflex-Blocker™ hard coated and plane-optically 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
• Optimized for modern CMOS cameras, but also excellent for CCD camera technologies

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This new generation of Baader CMOS filters features:

• Increased contrast , matched for typical CMOS quantum efficiency and s/n ratio
• 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 telescope-sided black 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 the most adverse environment