Rob MacKillop
Edinburgh Correspondent
Here's a BBC article about the 19th century female photographer, Julia Margaret Cameron, discussing how her out of focus shots, complete with smudges and scratches, were seen in a negative light by the photographic community, and in a positive light by the artistic community. Unfortunately, I don't think readers outside the UK can view this:
http://www.bbc.com/culture/story/20160112-when-mistakes-make-the-art?
http://www.bbc.com/culture/story/20160112-when-mistakes-make-the-art?