How histograms can help you control key factors that affect exposure levels. Correct exposures are the first step towards usable image files and the histogram displays provided in most digital cameras ...

Straightening, cropping, and removing red-eye are all fairly easy fixes to make to a photograph. Getting good tones, on the other hand, can be a more challenging problem. iPhoto’s Enhance button tries ...

RedShark Replay: One from the archives. Gone are the days when a light meter and a trained eye was enough; to do better, we need technological measures and test & measurement equipment. Traditionally, ...

Obscura 2.0 was one of our favorite iOS app updates of 2018, which garnered it a MacStories Selects Best App Update Runner-Up award. Since it was released eight months ago, developer Ben McCarthy has ...

Using the Levels tool in your image editor to adjust image tones and contrast. The Levels setting in an image editor is a powerful tool for adjusting image tones and it can also be used to make subtle ...

Figure 1 shows two renderings of a three-dimensional model of Michelangelo’s sculpture of St Matthew 12. The version on the left appears darker and glossier than the one on the right. This is true ...

This histogram of Germany shows that it peaked on 4/6/20 and partly reopened in April. The border with Austria remained closed except for work commuting. Borders were reopened 6/15/20, but masks were ...