Skip to content
Saturday April 26th: The store will be closed, we will be attending ACAIQ astroimaging conference.
Saturday April 26th: The store will be closed, we will be attending ACAIQ astroimaging conference.
Baader 6.5nm 36mm H-alpha Filter - CMOS-Optimized (OPEN BOX)

Baader 6.5nm 36mm H-alpha Filter - CMOS-Optimized (OPEN BOX)

by Baader Planetarium
SKU BAA-2961100-36-OPENBOX
Save 6% Save 6%
$191.30
$191.30 USD - $191.30 USD
$191.30 USD
$179.03
$179.03 USD - $179.03 USD
$179.03 USD

Availability:
Only 1 left!

International Shipping

More information

In perfect condition, open box

  • 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

Customer Reviews

Be the first to write a review
0%
(0)
0%
(0)
0%
(0)
0%
(0)
0%
(0)

You may also like

  • $167.00 USD - $429.00 USD
    $167.00 USD - $429.00 USD
    $167.00 USD - $429.00 USD
    $167.00 USD

    Baader 6.5nm H-alpha Filter - CMOS-Optimized

    Options available

    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-...

    View full details
    $167.00 USD - $429.00 USD
    $167.00 USD - $429.00 USD
    $167.00 USD - $429.00 USD
    $167.00 USD
  • $457.00 USD - $1,149.00 USD
    $457.00 USD - $1,149.00 USD
    $457.00 USD - $1,149.00 USD
    $457.00 USD

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

    Options available

    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-...

    View full details
    $457.00 USD - $1,149.00 USD
    $457.00 USD - $1,149.00 USD
    $457.00 USD - $1,149.00 USD
    $457.00 USD
  • $157.00 USD - $417.00 USD
    $157.00 USD - $417.00 USD
    $157.00 USD - $417.00 USD
    $157.00 USD

    Baader 6.5nm SII Filter - CMOS-Optimized

    Options available

    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...

    View full details
    $157.00 USD - $417.00 USD
    $157.00 USD - $417.00 USD
    $157.00 USD - $417.00 USD
    $157.00 USD
  • $159.00 USD - $419.00 USD
    $159.00 USD - $419.00 USD
    $159.00 USD - $419.00 USD
    $159.00 USD

    Baader 6.5nm OIII Filter - CMOS-Optimized

    Options available

    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...

    View full details
    $159.00 USD - $419.00 USD
    $159.00 USD - $419.00 USD
    $159.00 USD - $419.00 USD
    $159.00 USD
  • $829.00 USD - $1,769.00 USD
    $829.00 USD - $1,769.00 USD
    $829.00 USD - $1,769.00 USD
    $829.00 USD

    Baader 3.5nm / 4nm Narrowband Filter Set - CMOS-Optimized H-alpha/O-III/S-II

    Options available

    Baader H-alpha / O-III / S-II Ultra-Narrowband (Narrowband) filter set - Premium Grade 3.5 / 4 nm half width (to harmonize the exposure time of H-...

    View full details
    $829.00 USD - $1,769.00 USD
    $829.00 USD - $1,769.00 USD
    $829.00 USD - $1,769.00 USD
    $829.00 USD