Question about 100mm macro IS f2.8

Started Sep 10, 2012 | Discussions thread
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Re: Question about 100mm macro IS f2.8
In reply to birdbrain, Sep 10, 2012

Thanks everyone for fast and concise answers!

No, I wasn't using it near macro range, quite the contrary - I was using it near infinity, with the subject standing 3-4 metres away.

The problem I have faced, is when I use ai-servo on still subjects, the camera is guessing the focus and sometimes the focus will be off. I wouldn't have a problem if 7D would detect my movement or my subject's movement and then correct the AF. But many times I would end up with an OOF image.

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