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March 14th: The store will be closed on Friday as we will be out all night to observe and image the total lunar eclipse! Good eclipse!
March 14th: The store will be closed on Friday as we will be out all night to observe and image the total lunar eclipse! Good eclipse!
Baader 6.5nm Narrowband Filter Set - CMOS-Optimized H-alpha/O-III/S-II

Baader 6.5nm Narrowband Filter Set - CMOS-Optimized H-alpha/O-III/S-II

by Baader Planetarium
SKU BAA-2961650
$0
$457.00 USD - $1,149.00 USD
$457.00
$457.00 USD - $1,149.00 USD
$457.00 USD
Availability:
Backordered
Contact us to know when we will receive our next ones!
Availability:
Backordered
Contact us to know when we will receive our next ones!
Availability:
Backordered
Contact us to know when we will receive our next ones!
Availability:
Backordered
Contact us to know when we will receive our next ones!
Availability:
Backordered
Contact us to know when we will receive our next ones!
Availability:
Backordered
Contact us to know when we will receive our next ones!
Availability:
Backordered
Contact us to know when we will receive our next ones!

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More information

  • Baader H-alpha / O-III / S-II Narrowband Filter Set - Precision Grade
  • 6.5 nm FWHM, recommended for optical systems from f / 10 to f / 3.5
  • 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 frontside outer rim
  • Optimized for modern CMOS cameras, but excellent for CCD camera technologies

The new generation of Baader CMOS-optimized filters features:

  • CMOS-Optimized Baader Filter
  • 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 read more)
  • Life-Coat™: evermore hard coatings to enable a non-aging coating for life – even in a most adverse environment

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