View single post by jk
 Posted: Fri Jan 11th, 2013 16:21
jk



Joined: Mon Apr 2nd, 2012
Location: Carthew, Cornwall, United Kingdom
Posts: 6877
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Eric wrote:
jk wrote:
Most zooms do not hold focus as either end of the zoom range. To do so they have to be specifically designed to achieve this and are called 'parfocal' zooms.
Like Tom says with AF this tends to manage the focus so it doesnt matter.


I thought Tom was trying to manual focus using this technique?


Yes he was . What I was trying to say is that he was attempting to do wont work unless the has a parfocal zoom lens.



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