Issue 23 of Landscape Photography Magazine is now available for download. This edition includes a guide to depth of field, a review of the book “Photographing the Elements” by David Hay, a review of the Pentax 645D digital SLR camera, an interview with David Wiggett, an article on the creative use of shutter speed by Mark Sisson - and much more. Do note that the full contents of Landscape Photography Magazine are available to subscribers only.