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Moving into widefield astrophotography
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08-03-2012, 05:30 AM
Phil Hart
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Join Date: Jan 2007
Location: Mount Glasgow (central Vic)
Posts: 1,091
Martin.. it's 44mm from flange to sensor for everything EOS:
http://en.wikipedia.org/wiki/Flange_focal_distance
Greg.. i used the Canon 50mm f1.8.. it was OK aside from the tilted lens (construction issue?). but f1.4 is clearly the better lens.
Phil
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