Apparently, this user prefers to keep an air of mystery about them.
14 Why is 1:1 desirable for a macro lens? Jan 31 '11
11 Why is depth of field affected by focal length? Oct 2 '11
7 Why do two different cameras using the same settings produce photos with different exposure levels? May 26 '11
7 Are UV filters required for shooting film? Jun 17 '11