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How It Works - Zoom Lenses
Posted by Philipp Esselbach on: 06/19/2007 09:53 AM [ Print | 0 comment(s) ]
TrustedReviews have a photography tutorial titled How It Works - Zoom Lenses.
There are many different designs for zoom lenses, but they all have some basic principals in common. They consist of a number of differently shaped individual lenses or ‘elements’, some of which move relative to one another to alter the magnification of the image without altering the focus.
How It Works - Zoom Lenses
