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Astronomik SII 6 nm CCD Filter - M52 Round Mounted - SII6-M52

SKU: ASF-SII6-M52

Product is backordered from the manufacturer. Once the order is placed our team will update you on the anticipated arrival date.

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Astronomik SII 6 nm CCD Filter - M52



  • Presented in a round M52 threaded cell, this Astronomik SII CCD Filter has been designed specifically for astro-imaging purposes
  • Made to the highest technical standards to enable the optical performance required for deep sky CCD imaging
  • Permits ionized sulfur (SII) light to be transmitted while simultaneously cutting off the entire remainder of the visual spectrum plus IR
  • 6 nm FWHM bandwidth
  • Optimized for deep sky photography of planetary nebulae as well as supernova remnants
  • Made in Germany, a country known for product optics of superior quality!




More About Astronomik SII 6 nm CCD Filters



Astronomik SII 6 nm CCD Filters are the optimal solution for CCD astrophotography applications. Features a reduced 6 nm FWHM (full width at half maximum) combined with a typical 96% transmission for an incredible contrast enhancement since all spurious light from wavelengths other than the SII line (672 nm) is cut off from UV up to the IR. This provides a background that is extremely dark. Transmission losses and chromatic distortions, while an issue with other filters, only arise with Astronomik filters when especially bright aperture ratios of 1:2 or more come into play.



With its smaller 6 nm FWHM, this Astronomik SII CCD Filter is ideal for exhibiting the maximum amount of contrast between objects that emit SII light, such as emission nebulae and the skyglow background. 6 nm filters offer similar performance when compared with 12 nm filters, but also provide a higher contrast gain. On the contrary, using a 6 nm FWHM filter can cause background stars to appear dimmer, or to not be viewable at all. Thus, to achieve maximum contrast without sacrificing the background quality of your final image, it is best to employ both the 6 nm and 12 nm SII filters together.



Complete occlusion of undesired visible and IR band spectral wavelengths is enabled by this Astronomik M52 SII 6 nm CCD Filter. Parfocal with all other filters produced by Astronomik and diffraction limited to maintain your telescope's optical performance. Coatings offer strong protection from scratching as well as the impacts of aging and high humidity. This filter is shipped in a durable plastic storage container of superior quality.



Transmission Specifications



  • Typical 96% ionized sulfur (SII) line transmission
  • Fully blocks excessive light from UV up to IR
Description
Description

Astronomik SII 6 nm CCD Filter - M52

  • Presented in a round M52 threaded cell, this Astronomik SII CCD Filter has been designed specifically for astro-imaging purposes
  • Made to the highest technical standards to enable the optical performance required for deep sky CCD imaging
  • Permits ionized sulfur (SII) light to be transmitted while simultaneously cutting off the entire remainder of the visual spectrum plus IR
  • 6 nm FWHM bandwidth
  • Optimized for deep sky photography of planetary nebulae as well as supernova remnants
  • Made in Germany, a country known for product optics of superior quality!


More About Astronomik SII 6 nm CCD Filters

Astronomik SII 6 nm CCD Filters are the optimal solution for CCD astrophotography applications. Features a reduced 6 nm FWHM (full width at half maximum) combined with a typical 96% transmission for an incredible contrast enhancement since all spurious light from wavelengths other than the SII line (672 nm) is cut off from UV up to the IR. This provides a background that is extremely dark. Transmission losses and chromatic distortions, while an issue with other filters, only arise with Astronomik filters when especially bright aperture ratios of 1:2 or more come into play.

With its smaller 6 nm FWHM, this Astronomik SII CCD Filter is ideal for exhibiting the maximum amount of contrast between objects that emit SII light, such as emission nebulae and the skyglow background. 6 nm filters offer similar performance when compared with 12 nm filters, but also provide a higher contrast gain. On the contrary, using a 6 nm FWHM filter can cause background stars to appear dimmer, or to not be viewable at all. Thus, to achieve maximum contrast without sacrificing the background quality of your final image, it is best to employ both the 6 nm and 12 nm SII filters together.

Complete occlusion of undesired visible and IR band spectral wavelengths is enabled by this Astronomik M52 SII 6 nm CCD Filter. Parfocal with all other filters produced by Astronomik and diffraction limited to maintain your telescope's optical performance. Coatings offer strong protection from scratching as well as the impacts of aging and high humidity. This filter is shipped in a durable plastic storage container of superior quality.

Transmission Specifications

  • Typical 96% ionized sulfur (SII) line transmission
  • Fully blocks excessive light from UV up to IR
Specifications
Specifications
Model Number SII6-M52
Single Filter, Set, or Accessory Single Filter
Filter Type SII
Filter Size M52
Filter Shape Round
Filter Insert Style Threaded
Filter Bandpass 6 nm
Filter Optical Thickness 1 mm
Warranty Astronomik 10 Years
What's in the Box?
What's in the Box?
  • Astronomik SII 6 nm CCD Filter - M52
  • Plastic Storage Case
  • Astronomik M52 Threaded SII 6 nm CCD Filter
  • Astronomik SII 6 nm CCD Filter Transmission
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