Astronomik CLS-CCD deepsky fitler (EOS-clip XL)

Clip-Filters for Canon Full-Format Cameras 5D Mk II, 5D Mk III and 6D. (5D Mk I will work without LiveView only, the 6D MkII will not work with XL Clip-filters)Please note that the XL-Clip filters will not work with the Canon 5DS, 5DSR, and the 5D Mk IV.

These filters for Canon EOS Full Frame models provide many advantages. Astrophotography is possible with these filters not only using the telescope, but using standard objective lenses as well. On the other hand these narrowband filters can be used with off-axis guiders as well, as the guide star's brightness is not affected by the filter.

The Astronomik CLS 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. All the important emission lines, as well as the spectral region that the very well dark adapted eye can see, can pass through the filter.

This "CCD" marked model bloks the IR wavelength, so can be used cameras with no IR filter installed to it.

Note: these filters are compatible with all Canon objective lenses except for the EF-S series, where the back lens does not fit into the camera body because of the filter.

If you are new to astrophotography and looking for your first filter: We do recommend getting the Astronomik CLS!
The CLS gives you maximum contrast due to it effective surpression of artifical light pollution, but still gives you neutral and well balanced colors. With the Astronomik CLS you can do very deep images of amazing quality even form a urben/suburban observing site!
For the advanced Astrophotographer we do offer a wide selection of filters: Perfect accessories for all kinds of astrophotography. To compile a usefull selection of filters for your obeserving goals we would be happy to give you advise, either via phone or eMail.
The full range of Astronomik filters is available as Full-Format Clip-Filters now.

Mounting the Astronomik EOS XL Clip-Filter:

Mounting the Astronomik EOS XL-Clip Filter is very easy: You don´t need any tools and filters may be changed at night without any problems.
Activate "Mirror Lockup" in the Custom-Functions Menue and press the exposure button once: The flip-mirror goes up and stays there.
Now slide the XL-Clip-Filter into the body and press it in, until it rests on both arms (right & left).
Deactivate the Mirror-Lockup and your camera is ready for imaging!

Remark:
The installed XL-Clip-Filter fixes the flip-mirror in the upper position. -You can´t use the optical viewfinder as long as the XL-Clip Filter is installed. For Searching, focusing and centering you should use the LiveView monitor on the back of the camera or the remote-controll via USB cable. All functions like Autofocus and Image-Stabilization remain fully functional.
The fixed flip-mirror does not cause any kind of problems or error-messages!

Compatible models: ONLY: Canon EOS 5D MkII, 5D MkIII and 6D (MkI)