Term - Extension tubes

Extension tubes

SWPP and BPPA Photographic Glossary

Monday 20th May 2013

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Extension tubes

A set of three different sized hollow tubes that fit in any combination between the lens and camera body to extend the lens-to-film distance and increase its close focus capability. A metal or plastic tubes used on small format cameras, to extend lens to film distance, enabling magnification greater than 1x.

Information provided by: SWPP BPPA
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