Is this normal???

Started Feb 5, 2012 | Discussions thread
Helen Veteran Member • Posts: 6,052
Re: Is this normal???

grapher wrote:

My guess is AFC and not enough contrast in the scene.

My guess too. AFC tends to "pulsate" - with the focused distance shunting evenly back and forth over a very small distance, at a regular rate, even with a lock on an object with half pressure held on the shutter release. Seems to be a characteristic of most CDAF systems (the Sony NEX cameras also do this).

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