http://www.robertphotoblog.com/2008/sigma-50mm-lens/ Photography News and Information Fri, 20 Jan 2012 11:26:56 +0000 hourly 1 http://wordpress.org/?v=3.1.2 http://www.robertphotoblog.com/2008/sigma-50mm-lens/comment-page-1/#comment-27112 Sharleen Mcbroome Wed, 13 Apr 2011 23:04:00 +0000 http://www.robertphotoblog.com/?p=231#comment-27112 Some genuinely interesting information, well written and broadly user pleasant. Some genuinely interesting information, well written and broadly user pleasant.

]]> http://www.robertphotoblog.com/2008/sigma-50mm-lens/comment-page-1/#comment-24208 Daniel Kennedy Sun, 27 Jul 2008 04:46:15 +0000 http://www.robertphotoblog.com/?p=231#comment-24208 It's a shame this lens back focuses on full frame canon cameras when you focus past 10' (3m). I've even had the lens calibrated and my body checked. I also tried a second copy of the lens and it performed identically. On crop cameras like the 40D my lens is fine, but that's not good enough, this is not a "DC" lens according to Sigma. It’s a shame this lens back focuses on full frame canon cameras when you focus past 10′ (3m). I’ve even had the lens calibrated and my body checked. I also tried a second copy of the lens and it performed identically. On crop cameras like the 40D my lens is fine, but that’s not good enough, this is not a “DC” lens according to Sigma.

]]>