Difference between revisions of "Lens"
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=== Elements === | === Elements === | ||
An '''element''' is an individual glass structure in a lens that is not permanantly, directly fixed to any other element. In older lenses an element was an individual piece of glass but more modern lenses make use of some composite elements which are two or more pieces of glass cemented together. | An '''element''' is an individual glass structure in a lens that is not permanantly, directly fixed to any other element. In older lenses an element was an individual piece of glass but more modern lenses make use of some composite elements which are two or more pieces of glass cemented together. | ||
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Revision as of 22:08, 8 October 2005
Elements
An element is an individual glass structure in a lens that is not permanantly, directly fixed to any other element. In older lenses an element was an individual piece of glass but more modern lenses make use of some composite elements which are two or more pieces of glass cemented together.