Does the focal length change while AF ?


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Vaibhav

New Member
Jun 28, 2008
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#1
Hi

Recently got my 55-250IS Canon zoom lens. Noticed that while the lens is autofocusing the focal length also changes, I mean the zoom also changes, and as a result the frame also changes a bit. Is this normal ? Or something wrong with my lens ?

Thanks !
 

yamcake

Senior Member
Aug 11, 2003
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#2
hmm strangely yes...
its normal..

i was shooting a very long time before i knew this.. i thought like u something is wrong with the lens..
 

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