Clip-Filter (EOS) with ASTRONOMIK CLS-CCD

R2320

Do you own a Canon EOS digital camera for astro-imaging? Then you have surely encountered the following problems:

  • Large filters for large camera lens objectives are very expensive
  • If you place a filter holder between your camera body and lens you loose the ability to focus to infinity
  • For very fast (low f/ number) telescopes like the Vixen R200SS or the Takahashi “Epsilon” astrograph, a filter drawer or a filter wheel cannot be used since the distance to the corrector lenses would be changed.
  • With long exposure times your camera’s sensor chip is exposed to more dust

With the Astronomik Clip-Filter System you can take care of all of these problems at once!

The patented Astronomik Clip-Filter System is black anodized aluminum and laser-cut on state-of-the-art modern machines. It can be inserted within seconds directly into the EOS camera body. There are no changes necessary and all lens functions (focus, screen, image stabilization) remain functional!

Almost all Canon system lenses (with the exception of the EF-S series) and all M42 and T2 lens adapters, can be used with the Astronomik Clip-Filter System. The Clip-Filter System also acts as an outstanding dust shield, which prevents the possibility of dust settling on the sensor during long time exposure (The MC-Clear filter does not have a filter effect and only acts as a dust shield.)

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.

Astronomik have re-desgined all of there photographic filters. Since the end of 2008 we are shipping our new "Halo-Free" filters.

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.

Main use

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

  • Easier resolution of Double Stars.
  • With the EOS-Clip model, photography with DSLR cameras is feasible even unter extreme light-polluting conditions without shifting the white balance.
  • If you plan to create color images from emission line data, our CLS-CCD filter is a great choice for the Luminance channel

Alternatives

CLS: For cameras with an integrated IR-filter or for visual observation.

Transmissionsgraphik

Suitability

  • Visual observation (dark skies): Good, to reduce light pollution by mercury-vapour lamps (streetlight)
  • Visual observation (urban skies): Reasonable, an UHC-E or UHC filter is more suitable
  • Film photography: Very good, colour balance is near perfect
  • CCD photography: Very good, optimized rejection of light pollution
  • DSLR photography (original): Good, colour balance shifted but contrast enhanced
  • DSLR photography (astro modified): Very good, colour balance is near perfect
  • DSLR photography (MC modified): Very good, colour balance is near perfect
  • Webcam / Video (Planets): Unsuitable
  • Webcam / Video (Deep Sky): Very good, if light pollution is a big problem

Technical Data

  • 95% transmission at 486nm (H-beta)
  • 95% transmission at 496nm (OIII)
  • 95% transmission at 501nm (OIII)
  • 97% transmission at 656nm (H-alpha)
  • pass from 450 to 520nm 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

List of compatible Canon EOS cameras:

Canon EOS suitable for Clip-Filter astro modification possible Live-View Megapixel
7D yes no filter for replacement needed yes 18,0
20D yes filter for replacement needed no 8,2
20Da yes filter for replacement needed yes 8,2
30D yes filter for replacement needed no 8,2
40D yes no filter for replacement needed yes 10,1
50D yes no filter for replacement needed yes 15,1
60D + 60Da yes no filter for replacement needed yes 18
300D / Digital Rebel / Kiss Digital yes filter for replacement needed no 6,3
350D / Digital Rebel XT / Kiss Digital N yes filter for replacement needed no 8,0
400D / Digital Rebel XTi / Kiss Digital X yes no filter for replacement needed no 10,1
450D / Rebel XSi / Kiss X2 yes no filter for replacement needed yes 12,2
500D / Rebel T1i / Kiss X3 yes no filter for replacement needed yes 15,1
550D / Rebel T2i / Kiss X4 yes no filter for replacement needed yes 18
600D / Rebel T3i / Kiss X5 yes no filter for replacement needed yes 18
650D / Rebel T4i / Kiss X6 yes no filter for replacement needed yes 18
700D / Rebel T5i / Kiss X7 yes no filter for replacement needed yes 18
1000D / Rebel XS / Kiss F yes no filter for replacement needed yes 10,1
1100D / Rebel T3 / Kiss X50 yes no filter for replacement needed yes 12,2
100D yes no filter for replacement needed yes 18


Important: Not suitable are cameras offered before 2003 and all varieties of the Canon EOS 1D, EOS 5D and EOS M.

Mounting the Astronomik Clip-Filter:

 


Removing the Clip-Filter

 

  • Model: 8540
  • Shipping Weight: 0.5lbs
  • 0 Units in Stock
  • Manufactured by: Astronomik





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This product was added to our catalog on Saturday 19 October, 2013.


 
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