What is ‘focus breathing’ and how does it affect your images?



Have you ever witnessed slight changes in focal length as you bring your subject into focus? Whether or not you knew what to call the phenomenon, you've likely experienced it many times before. 

This interesting optical phenomenon is known as 'focus breathing' and in the video below, Matt Granger, formerly known as ThatNikonGuy, offers a brief tutorial.

Granger explains the phenomenon and looks at just how dramatic it can be across the ‘Nikon Holy Trinity’: 14–24mm f/2.8, 24–70mm f/2.8 & 70–200mm f/2.8. Granger even tossed in…

(read more)

via Imaging Resource News Page http://ift.tt/1vZ9oQx


About paulomealha

IT professional, father, husband, Apple evangelist, motorbike fanatic, traveller and adventurer.
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