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Friday, 6 October 2017

Differential Focusing Techniques - Experimentation

In this lesson we experimented with different lenses and apertures to see how they affected the depth of field. As the aperture increases numerically the depth of field gets deeper. This video shows the different apertures + lenses I tested:
I concluded from this that a small aperture like f1.8 makes the background very blurred and soft, bringing focus to the foreground. (Professional look also) This looks better for portraits in my opinion. With a large aperture like f22 the background and foreground are both in focus so this should be better for location photography or trying to get a shot where everything is focuses on. Additionally, with the zoom lens fully zoomed in you need to bring the camera quite far back to get the subject in frame, which can be an issue. Another thing I noticed was that the perspective changes with lenses.

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