The Astronomik L-Clip filter is used in my Astronomik filter replacement packages to allow for much greater Ha-sensitivity for astrophotography than a standard DSLR without the internal filter removed.
Astronomik Filter Clip System (for Canon EOS cameras)
Do you have a Canon EOS digital camera (300D, 350D, 400D, 450D, 20D, 20Da, 30D, 40D and also want to use it 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 EOS Filter Clip System you can immediately take care of all of these problems!
For further detail and a FAQ visit > http://www.astronomik.com/en/eos_clip-filters.html
Astronomik's website > http://www.astronomik.com/en/home.html
For information on the
L-Clip filter >
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