Alley in Pisa, Italy

by Lars Kotthoff

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I cannot say anything official about hybrid AF working or not with non-STM lenses, but I have one clear experience with a third-party "Tamron SP 70-300 F/4-5.6 Di VC USD" lens, and this is awful: In phase detect AF mode the lens needs 1-2 seconds to focus, in Live-View mode on the EOS 650D it takes 2-4 seconds, which is plainly slow. Especially above 200mm ...

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