Canon 5D Mark III or Canon EF 100-400mm f/4.5-5.6L IS USM Lens ?

Started Dec 27, 2013 | Discussions thread
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Digitalshooter2
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Canon 5D Mark III or Canon EF 100-400mm f/4.5-5.6L IS USM Lens ?
Dec 27, 2013

In the last trip to coast I noticed that my Canon EF 100-400mm f/4.5-5.6L IS USM Lens mounted on Canon 5D Mark III was not focusing near the long tele range of the lens if it starts with large amount of out of focus position.  Once I move the focus ring to near focus range then it focuses just fine.

How can I tell if problem is with the camera or the lens?

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2ShootDigital

Canon EOS 5D Mark III
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