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Author Topic: manual focus of lenses  (Read 1783 times)
JJP
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« on: January 02, 2006, 08:51:22 AM »
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Good Day Folks,
The lenses that I got which are some Canon, some Sigma, and a Tamron for the most part behave this way:  In manual focus, when taking a landscape with the main subject being in the background (miles away) I always assume that all's I got to do is turn the focus ring to infinity and fire away.  However, how come I always got to turn the focus ring back some to get the aforementioned background in focus? Is this a manufacturers defect or is this the norm?  
jules
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JJ
joedevico
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« Reply #1 on: January 02, 2006, 09:49:53 AM »
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JJP -

See the topic below about infinity focus started by pom - it has to do with expansion/contraction due to temperature...
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Joe DeVico
the PhotoGraphic Design Group
www.photographicdesigngroup.com
www.jdvmusic.com
full time musician - part time photographer
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