...requires more than just luck. That's in this edition of GEAR AND NOW we discuss zoom, wide-angle, and anamorphic lenses. First we touch on how they work, and then we look at specifications of one of each type of lens from three leading manufacturers: Canon, Panasonic, and Sony.

A CLOSER LOOK

A zoom lens works by changing the focal length, or distance, between the lens and the recording media. In order to zoom in, the focal length must be increased. To zoom out, it must be decreased. The zoom ratio tells you a lens' capabilities: The first number in the ratio represents the minimum focal length, the second number tells you its highest zoom factor. For example, a 12X10 zoom lens would...

NOTE: All illustrations and photos have been removed from this article.



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