photo education

Aug 23 2021

Relative Sharpness and Cones of Light

John Neel

Depth of field is a way to assure a selection of the subjects in an image appears sharp. Depth of field is a cause of aperture function. It has to do with the opening created by the lens iris relative to the subjects in a scene. It has to do with light cones. Light cones are the gathered rays of...

Dec 15 2020

Worldwide Pinhole Photography Day 2021 Poster

John Neel

Worldwide Pinhole Photography Day 2021 Poster Each year for nearly two decades, thousands of people from around the planet have participated in the annual WPPD event. The event is meant to be fun and creative. It brings people together from nearly every nation around the globe. I see it as a tool...

Dec 04 2020

In Frame Out of Frame

John Neel

TeePee – © John Neel This article is a repost from 2013. The photographic image captures a segment of what is in front of the camera, but the viewer senses that what is shown is simply a crop of a much larger scenario. The framing of an image is a border of sorts. To a degree, it defines...