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Astronomik SII 12 nm CCD Nikon XL Full Frame Clip Filter - SII-NIKXL

SKU: ASF-SII-NIKXL

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Astronomik SII 12 nm CCD Filter - Nikon XL Full Frame Clip



  • Featuring a Nikon Full Frame clip format, this Astronomik 12 nm SII CCD Filter is known to be compatible with Nikon D800, D810, and D850 full frame DSLR camera bodies.
  • Made to the highest technical standards to provide the optical efficiency necessary to execute deep sky imaging applications with your CCD camera
  • Permits the light of ionized sulfur (SII) to be transmitted while obstructing close to the rest of the visual spectrum plus IR
  • 12 nm FWHM bandwidth
  • Optimally suited for imaging planetary nebulae and supernova remnants
  • Made in Germany, a country recognized for producing high quality optics!




More About the Astronomik SII 12 nm CCD Filters



For CCD astrophotography applications, you would be hard pressed to find a more ideal narrowband filter than the Astronomik SII 12 nm CCD Filter. Its 12 nm FWHM (full width at half maximum) is optimal for standard CCD cameras, enabling the use of extremely fast optics. The f/number application range spans from 1:2.8 to 1:15. Transmission reductions and chromatic aberrations, sometimes an issue with other filters, only arise with Astronomik filters when severely bright 1:2 and more aperture ratios are involved. Another advantage of 12 nm filters is the greater guide star availability for cameras that incorporate an autoguider. Up to 99% transmission.



Astronomik's CCD filters enhance the contrast between objects. The SII filter enhances contrast between SII emission line objects and the background sky while offering total suppression of mercury (Hg) and sodium (Na) and other artificial light emissions, as well as skyglow, making it an excellent filter to use in light polluted conditions. Because of the high quality of the Astronomik SII 12 nm CCD substrate, you'll see the same razor sharp stars as you would from your regular telescope.



This Astronomik SII CCD filter provides complete blockage of all superfluous wavelengths in the visible and IR spectral bands. It has a very thin substrate, and is parfocal with all other Astronomik filters. Diffraction limited, this filter will not reduce the optical performance of your telescope. Coatings offer complete protection from scratching as well as the impacts of aging and high humidity. All Astronomik filters are delivered in a durable, high quality plastic filter box.



Astronomik Nikon XL Full Frame Clip Filter System Compatibility



  • The Nikon XL-Clip Filter have been successfully tested with the D800, D810 and the D850, although some customers are reporting error messages when used in a D850 with AF lenses. All manual lenses and T-adapters work fine!

  • Nikon full frame cameras that are not listed above have not been tested yet.

  • The Nikon XL Clip Filter will not work with cameras with APS-C sized sensors or with the new mirrorless models.




Transmission Specifications



  • More than 97% transmission in the SII line
  • Blocks close to the entire remainder of the visual spectrum
  • Obstructs undesired wavelengths in the infrared
Description
Description

Astronomik SII 12 nm CCD Filter - Nikon XL Full Frame Clip

  • Featuring a Nikon Full Frame clip format, this Astronomik 12 nm SII CCD Filter is known to be compatible with Nikon D800, D810, and D850 full frame DSLR camera bodies.
  • Made to the highest technical standards to provide the optical efficiency necessary to execute deep sky imaging applications with your CCD camera
  • Permits the light of ionized sulfur (SII) to be transmitted while obstructing close to the rest of the visual spectrum plus IR
  • 12 nm FWHM bandwidth
  • Optimally suited for imaging planetary nebulae and supernova remnants
  • Made in Germany, a country recognized for producing high quality optics!


More About the Astronomik SII 12 nm CCD Filters

For CCD astrophotography applications, you would be hard pressed to find a more ideal narrowband filter than the Astronomik SII 12 nm CCD Filter. Its 12 nm FWHM (full width at half maximum) is optimal for standard CCD cameras, enabling the use of extremely fast optics. The f/number application range spans from 1:2.8 to 1:15. Transmission reductions and chromatic aberrations, sometimes an issue with other filters, only arise with Astronomik filters when severely bright 1:2 and more aperture ratios are involved. Another advantage of 12 nm filters is the greater guide star availability for cameras that incorporate an autoguider. Up to 99% transmission.

Astronomik's CCD filters enhance the contrast between objects. The SII filter enhances contrast between SII emission line objects and the background sky while offering total suppression of mercury (Hg) and sodium (Na) and other artificial light emissions, as well as skyglow, making it an excellent filter to use in light polluted conditions. Because of the high quality of the Astronomik SII 12 nm CCD substrate, you'll see the same razor sharp stars as you would from your regular telescope.

This Astronomik SII CCD filter provides complete blockage of all superfluous wavelengths in the visible and IR spectral bands. It has a very thin substrate, and is parfocal with all other Astronomik filters. Diffraction limited, this filter will not reduce the optical performance of your telescope. Coatings offer complete protection from scratching as well as the impacts of aging and high humidity. All Astronomik filters are delivered in a durable, high quality plastic filter box.

Astronomik Nikon XL Full Frame Clip Filter System Compatibility

  • The Nikon XL-Clip Filter have been successfully tested with the D800, D810 and the D850, although some customers are reporting error messages when used in a D850 with AF lenses. All manual lenses and T-adapters work fine!
  • Nikon full frame cameras that are not listed above have not been tested yet.
  • The Nikon XL Clip Filter will not work with cameras with APS-C sized sensors or with the new mirrorless models.


Transmission Specifications

  • More than 97% transmission in the SII line
  • Blocks close to the entire remainder of the visual spectrum
  • Obstructs undesired wavelengths in the infrared
Specifications
Specifications
Model Number SII-NIKXL
Single Filter, Set, or Accessory Single Filter
Filter Type SII
Filter Size Nikon Full Frame Clip
Filter Shape Nikon Clip
Filter Insert Style Clip-In
Filter Bandpass 12 nm
Filter Optical Thickness 1 mm
Warranty Astronomik 10 Years
What's in the Box?
What's in the Box?
  • Astronomik SII 12 nm CCD Nikon XL Full Frame Clip Filter
  • Plastic Storage Case
  • Astronomik SII 12 nm CCD Clip Filter - Nikon XL Full Frame
  • Astronomik SII 12 nm CCD Filter Transmission
  • Astronomik SII 12 nm CCD Nikon XL Full Frame Clip Filter - SII-NIKXL
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