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A Primer on Reading and Using Histograms

Image histograms are useful tools that can be used to help properly gauge the exposure and contrast within a scene during shooting or to balance the tonality of a photograph in post-production. These days, histogram graphs can be found almost everywhere, with more modern digital cameras including live displays during composition. Today’s primer focuses on how to correctly read histograms and use them to your advantage.

How to Read MTF Charts for Camera Lenses

Purchasing a new lens for your kit can be an expensive endeavor and the more information you know before making a purchase is always useful. You may have noticed that lens manufacturer sites tend to include what is known as a Modulation Transfer Function (MTF) chart.