Thursday, March 20, 2008

EXTENSION TUBES

Definition: metal or plastic tubes used on small format cameras, to extend lens-to-film distance, enabling magnification greater than 1x.

Definition: Metal rings that can be attached between a camera body and lens for close-up work. They extend the lens farther than normal from the film plane so that the lens can focus closer than normal to an object.

Definition: Tubes made from metal and, more frequently, plastic inserted between the lens and the camera, thereby making the lens to film distance greater. The result is increased magnification for close-up photography.

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