Having problems with your Digital Cameras ?

What is EV and how it will make difference while taking photos.


Answers :

EV is "Exposure Value" and is a measure of the amount of light on the subject. This affects the photo in at least three ways.

In reduced light, either the film or the digital sensor can be made more sensitive. A more sensitive film has larger grain, a more sensitive sensor is more susceptible to digital noise (which looks much like grain).

The less light available, the longer the shutter has to be open. This can lead to both subject motion and camera motion.

The less light available, the wider the lens aperture must be. This reduces depth of field, blurring objects not at the same distance from the camera as the subject.
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What is EV and how it will make difference while taking photos.


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