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filter OIII F/2 (6,5 nm) - special CMOS - BAADER

BA-2961225
Rating 

OIII filter for speed telescope in 6.5nm

Version
€148.00
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Quantity
Generaly in Stock under | 3 - 10 days

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Description

This new generation of Baader CMOS-filters features:

  • CMOS-optimized Baader Filters
  • 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


Overs:

  • Baader O-III f/2 Highspeed Filter – Precision Grade
  • 6.5 nm FWHM, recommended for extremely fast optical systems from f/3.4 and faster
  • Specially designed for the special filter requirements when used with extremely fast f/2 optics like the Celestron RASA astrographs
  • Reflex-Blocker™ hard coated and planeoptically polished – with sealed coating edges
  • 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 likewise excellent for CCD camera technologies
Product Details
BA-2961225
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M48 Thread T Ring for Canon EOS

filter OIII F/2 (6,5 nm) - special CMOS - BAADER

OIII filter for speed telescope in 6.5nm

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