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keeponkeepingon (7 hours ago)
IR is reporting extremely slow AF speeds. Basically the EOS M is about as fast as 2009 M43 cameras.
Question: Why was there no mention of AF speed in the dpreview "hands on".
Is it because this was a pre-production model and you are giving canon a chance to get it right before final release.
Or is IR wrong and the AF speed not an issue?
Thanks!
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Terence Kearns (7 hours ago)
Agreed. The review is very much incomplete without a summary of the AF speeds. This is a big factor for this class of camera.
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R Butler (6 hours ago)
The problem is that all the cameras anyone has seen are pre-production, so no one knows what final AF speed is going to he like.
However, it is a point we're going to cover as we extend the preview over the coming hours (It's the 22mm tgat is slow at the moment, and its unit-focus design may make it difficult to improve).
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keeponkeepingon (5 hours ago)
Thanks!
Can't wait to see your impressions!
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M Jesper (3 hours ago)
So STM means it focuses smooth and silently (for video), but not necessarily fast.
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R Butler (2 hours ago)
Essentially yes. STM can be implemented so it's really fast (eg Olympus 45mm F1.8, which is incredibly quick), but, just as AF-S on Nikon doesn't always promise fast focus, STM only tells you what sort of motor the lens has - not how cleverly it's been designed.