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Article: Special purpose lenses. (using wide-angle photographic lenses with different focal lengths or features that change the size of subject matters)
- Article from:
- PSA Journal
- Article date:
- June 1, 1994
- Author:
CopyrightCOPYRIGHT 1994 Photographic Society of America, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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There are a number of lenses that are somewhat different in design and construction from the standard or normal lenses traditionally listed for and supplied with the 35mm SLR cameras. They are intended to produce special effects such as: including more subject matter - wide angle; making larger images of distant subjects - telephoto; optionally varying image size - zoom; making large images of small objects - macro; enlarging.
With the exception of the latter, most of these lenses link to the automatic exposure control systems within the camera body. Those few which do not are usually so identified in the literature.
However, because of recent rather ...