Quote:
Originally Posted by Merlin66
if your going to modify the camera for astro use only.....you don't need to replace the filter with a Baader!!!
Removing the internal Canon colour balancing filter still leaves the front anti-alias/ dust filter which has exactly the same UV-IR cut-off as the Baader.....
I have some spectroscopic data to verify this, but few seem to be aware...
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Yar, but without at least clear glass, you loose autofocus for terrestrial (with an appropriate screw on filter) don't you?. Depends on whaT yout mean by hard core "astro only" or not
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