Category Archives: Tonality and Appearance

A two-part post on preparing images for publication. Publications use the geometric structure of halftone dots to interpret pixel values as tonal values on paper surfaces. Each pixel produces up to four overprinted color halftone dots. These halftones dots translate … Continue reading →

A four-part post on preparing images for publication. It is a known fact that images viewed on computer monitors don’t always match what comes out of desktop printers. This is because the color pixels captured by digital cameras are defined … Continue reading →

No matter where you go with image preparation, it all begins with distinction; the purposeful shaping of the image’s tonal values. Regardless of whether you prefer color or black and white, exposing detail (without over sharpening) is job number one. … Continue reading →

The lowly Histogram is truly a functionless graph that merely monitors the tonal distribution of an image. It functions much like a thermometer in that it reports the current condition of the image. And it only reports one aspect of … Continue reading →

Digital photos require a three-step process just as film cameras did two decades ago. It’s popular to think of photography requiring two steps (shooting the picture and producing a physical print), but the process involves three steps with digital images … Continue reading →

Now there’s a question you probably haven’t heard since junior high school! I remember my mother asking that question (in so many words) just after she read my teacher’s note on the back of my report card… “Herby is a … Continue reading →

It is commonly accepted that digital RAW files are equivalent to a photographic film color negative. Here’s the rationale… A color negative is a physical record of how light is recorded onto the individual red, green, and blue emulsion layers … Continue reading →

Every time a new technology breakthrough emerges it is accompanied by a baffling bunch of techie buzzwords; terms intended to explain the breakthrough. The problem is that many of the  pundits and writers involved with that industry use these (heretofore … Continue reading →