Quote:
Originally Posted by iceman
Very nice indeed!
What ha filter do you use for your modded 40D? On the front of the lens?
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Thanks all for the comments
Mike - it's the Astronomik 12nm Ha EOS clip in filter for the 40D which slips in over the sensor...seems to work reasonably well and it allows enough light through for me to focus on brighter stars. I also have its OIII equivalent.
Doug