Sunday, September 19, 2010

FAQ 1: What is Exif?

Couple of my friends asked me to write a brief about Exif for people who are new to digital photography... so here it is:

The full meaning of Exif is Exchangeable image file and it is a specification/ format for storing interchange information in image files. Exif Data consists of metadata tags like Date and Time information; Orientation (rotation), Aperture, Shutter Speed, Focal Length, Metering Mode, and ISO information etc.


The main purpose of this blog is to study Exif and compare photos. Exif data provides insight about how camera settings affect photo characteristics such as exposure, depth-of-field and subject movement.

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