depth of field

The Exposure Triangle: How Aperture, ISO and Shutter Speed Work Together

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exposure triangle diagram al macphee the modest photographer what is iso

With the so-called Exposure Triangle, you’ve got a triangle with shutter speed, ISO and aperture at each corner. ISO and sensitivity to light Your ISO is basically how sensitive your sensor is to light. If you set your ISO to a really low value, say 50, you will need to be taking pictures in really … Read more

What is Aperture in Photography?

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wide aperture example the modest photographer al macphee

What is aperture in photography? All pictures ©Al Macphee/MiraclePR To answer the question, ‘What is aperture in photography?’, you first need to know what your focal plane is. Take your focus point and extend it in a line to either side (not in front or behind). This is your focal plane. Your aperture setting affects … Read more