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Learning about Exposure Of Camera– The Exposure Triangle

has written a book titled which is a highly recommended read if you're wanting to venture out of the Auto mode on your digital camera and experiment with it's .

In it Bryan illustrates the three main elements that need to be considered when playing around with exposure by calling them ‘the exposure triangle'.

Each of the three aspects of the triangle relate to light and how it enters and interacts with the camera.

First element is ISO – the measure of a sensor's sensitivity to light. The second is Aperture – the size of the opening in the lens when a is taken. And the final element is Shutter – the amount of time that the shutter is open.

It is at the intersection of these three elements that an image's exposure is worked out.

Most importantly – a change in one of the elements will impact the others. This means that you can never really isolate just one of the elements alone but always need to have the others in the back of your mind.

By -.

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