Shallow Depth Of Field—Photography’s Most Powerful Technique

It has always seemed ironic to me that, as a professional photographer, the technique I use most often is something I can not see with my own eyes. Shallow depth of field is a product of camera optics and I …

Camera Sensor Size And Effective Lens Focal Lengths

Recently I gave one of my photography classes a lecture on lens focal lengths—their strengths, weaknesses and their creative potential. Because I listed the focal length of the lens used to create each image on a full chip camera body …