Apparently, this user prefers to keep an air of mystery about them.
19 How can a 18-55mm lens focus on objects beyond 55mm? oct 3 '10
18 Can a smaller sensor's “crop factor” be used to calculate the exact increase in depth of field? mar 23 '11
16 Suggestions for photographers / videographers to best work together at the same event? mar 21 '11
16 What flash options are there for the Pentax system? sep 25 '10
13 What exactly does Tone Curve do in Lightroom? jan 2 '12