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Filters > Nebulae filters > UHC Filters > STC > STC Filters Astro Duo Narrowband Filter 2"
Product no.: 60917

Filters Astro Duo Narrowband Filter 2"

$ 650.00 incl. VAT, plus shipping costs
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Express shipment possible for delivery the day after tomorrow, 30.03.2024!

Product description

Astro Duo-Narrowband filter is designed to capture specific wavelengths of gaseous and planetary nebulae. Of particular interest to astrophotographers is the Hα emission line at 656nm and OIII lines at 500nm, performing high transmissions and rejecting light pollution as well as the important blocking of longer wavelengths. It brings more detail and contrast in your image. The professional Ion Beam-assisted deposition and AR coating technology is applied on Schott optical glass to ensure higher durability and excellent image quality.

  • STC Astro Duo-Narrowband filter can reduce the interference from artificial lighting in the city ,and enhance the wave length of Hα and OIII.
  • IBAD (Ion beam-assisted deposition) coating technology makes the glass higher durability and easily cleaning, and preventing aging variation in optical spectral characteristics due to temperature and humidity change.
  • Matte black anodized and Teflon-coated frame design eliminates flare and easy to install or remove from your lens.

Specifications

Capacity


Mount material
Aluminium
Connection (to the telescope)
2"
Frame
2"

General


Type
Filters
Type of build
UHC Filters

Area of application


Anti light-pollution
yes
Hydrogen nebulae
yes
Planetary nebulae
yes
Comets
-
Central stars
-
Supernova remains
yes
Useful for photographs
yes
Visually useful
no
STC Filters Astro Duo Narrowband Filter 2"
Light transmission curve

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