Jump to content

Canada's top-tier Telescopes & Accessories
Click or hover over image to zoom in
Product may not be exactly as shown

Baader S-II 1¼" f/2 Ultra-Highspeed-Filter (4nm) – CMOS-optimized [BA-FCSIIHSU-1]

BA-FCSIIHSU-1
$289.00 USD
0 in stock
Baader: Baader S-II 1¼" f/2 Ultra-Highspeed-Filter (4nm) – CMOS-optimized
1¼" x 2 mm Baader S-II f/2 Ultra-Highspeed Filter – Premium Grade – with 1¼" (28,5 mm) filter thread 4 nm FWHM, recommended for extremely fast optical systems from f/3.4 to f/1.8 Specially designed for the special filter requirements when used with fast optics like the Celestron RASA astrographs For highest contrast even at strongest light pollution, minimizes star size, emphasizes finest nebula detail – indispensable under Bortle 9/8/7/(6) skies 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 Optimized for modern CMOS cameras, but likewise excellent for CCD camera technologies Mounted in Baader Low Profile Filter Cell (LPFC) – 6 mm height SKU 2961525

 Share

About Baader S-II 1¼" f/2 Ultra-Highspeed-Filter (4nm) – CMOS-optimized [BA-FCSIIHSU-1]

Baader: Baader S-II 1¼" f/2 Ultra-Highspeed-Filter (4nm) – CMOS-optimized

  • 1¼" x 2 mm Baader S-II f/2 Ultra-Highspeed Filter – Premium Grade – with 1¼" (28,5 mm) filter thread
  • 4 nm FWHM, recommended for extremely fast optical systems from f/3.4 to f/1.8
  • Specially designed for the special filter requirements when used with fast optics like the Celestron RASA astrographs
  • For highest contrast even at strongest light pollution, minimizes star size, emphasizes finest nebula detail – indispensable under Bortle 9/8/7/(6) skies
  • 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
  • Optimized for modern CMOS cameras, but likewise excellent for CCD camera technologies
  • Mounted in Baader Low Profile Filter Cell (LPFC) – 6 mm height

SKU 2961525

  • MANUFACTURER    Baader Planetarium
  • SKU (#)    2961525
  • EAN CODE    4047825048103
  • NET WEIGHT (KG)    0.06
  • COLOUR    Black
  • TRANSMISSION RANGE    S-II
  • FILTER THICKNESS (WITHOUT CELL)    2 mm
  • HBW (HALFBANDWIDTH)    4 nm
  • CWL (CENTRAL WAVELENGTH)    671,7 nm
  • AR-COATING    Reflex-Blocker™ hard coated, planeoptically polished
  • SPECIAL FEATURES    CMOS-optimized with Life-Coat™
  • FILTER SIZE    1 25 inch
  • FILTER USAGE    CMOS, CCD, S-II
  • FILTER MOUNTED    Mounted (LPFC 6mm)
  • TYPE OF FILTER    f/2 Ultra-Highspeed
  • SINGLE OR SET?    Single Filter
  • FILTER SHAPE    round

Shipping Options

Shipping options and prices may vary depending on the total value of your order. Your final shipping price will be determined at checkout.

Options shown are based on your estimated location.

  • $24.00 USD - [zus] USPS Ground Shipping (7-14 days)

Shipping Size

  • Size
    0 in × 0 in × 0 in
  • Weight
    0 lb
×
×
  • Create New...

Important Information

This site uses cookies to offer your a better browsing experience. You can adjust your cookie settings. By closing this banner, scrolling this page, clicking a link or continuing to browse otherwise, you agree to the use of cookies, our Privacy Policy, and our Terms of Use