No I think that they were taken with my 24-70 Sigma and in hindsight I should of paid the extra for the Canon. The funny thing about your question is I just purchased the Canon 24mm f1.4 L lens today and it is amazing. I posted a few of the first few pics on my Flickr account
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http://www.flickr.com/photos/spooof/sets/72157604607929204/