Astronomik CLS CCD Light Pollution Filter - 50mm Square Unmounted

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Astronomik CLS CCD Light Pollution Filter - 50mm Square Unmounted
$249.95
Item # AK-CLSCCD-50SQ
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  • The Astronomik CLS CCD Light Pollution Filter is presented in a 50mm Square Unmounted format.
  • Blocks the light of the spectral lines of mercury and sodium-vapor lamps and lets the largest part of the visible light and H-alpha emissions pass.
  • The Astronomik CLS CCD Light Pollution Filter is a good filter for DSLR-, CCD- and film b/w-photography as well as observation of deep-sky-objects with telescopes or photo lenses of all aperture f/3 and above.
  • This filter has been optimized to block as much spurious light as possible and simultaneously provide the best performance for 'useful' light.
  • The Astronomik CLS CCD Light Pollution Filter is suitable for use with telescopes of all aperture sizes.
Description

Details

Astronomik CLS CCD Light Pollution Filter - 50mm Square Unmounted

The Astronomik CLS CCD is suitable under light-polluted skies for DSLR Cameras, which have been remodeled for astronomical use. The filter enhances the contrast between all deep-sky objects and the background.

The CLS-CCD Filter enhances the contrast between astronomical objects and the background. Due to the wider transmission curve compared to UHC filters, a greater amount of light will pass the filter. Stars will be less dimmed. This filter has been optimized to block as much spurious light as possible and simultaneously provide the best performance for 'useful' light. A good filter for DSLR-, CCD- and film b/w-photography as well as observation of deep-sky-objects with telescopes or photo lenses of all aperture f/3 and above

The filter blocks completely emission lines of artificial light sources like streetlights (e.g. sodium- and mercury-vapor) as well as the airglow. All 'important' emission lines as well as the spectral range of the night-adapted eye are beeing passed. The supplementary IR-blocking layer allows the use for DSLR- and Webcams without an integrated IR-block filter.

Other uses for the Astronomik CLS CCD Light Pollution Filter include easier resolution of Double Stars and with the EOS-Clip model, photography with DSLR cameras is feasible even under extreme light-polluting conditions without shifting the white balance. The 1.25" and 2" socket models can be used for observations from light-polluted areas. If you plan to create color images from emission line data, our CLS-CCD filter is a great choice for the Luminance channel.

Astronomik CLS CCD Light Pollution Filter - 50mm Square Unmounted Features.

  • 92% transmission at 486nm (H-beta)
  • 92% transmission at 496nm (OIII)
  • 92% transmission at 501nm (OIII)
  • 97% transmission at 656nm (H alpha)
  • Pass from 450 to 540nm and from 640 to 690nm
  • Parfocal with other Astronomik filters
  • Glass thickness: 1mm
  • Completely resistant against high humidity, scratches and aging effects
  • Diffraction limited, the filter will not reduce the optical performance of your telescope!
  • Astronomik filters are delivered in a high-quality, long lasting, filter box
The image shows a 50mm square Luminance filter by Astronomik. It looks very similar to the CLS CCD. This image is shown so you can see the size and shape of the filter...you will get a CLS CCD.
Additional Information

Additional Information

SKU AK-CLSCCD-50SQ
Manufacturer Astronomik
Type of Filter Light Pollution Reduction
Filter Usage Imaging
Single or Set? Single Filter
Filter Size 50mm
Filter Shape Square
Filter Mounted? Unmounted
Warranty 10 Year Warranty
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Included Items

Included Items

  • Astronomik CLS CCD Light Pollution Filter - 50mm Square Unmounted
  • Plastic Storage Case
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