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Contrast based AF system - Canon still relying on getting sensors from Sony -
Sony will soon announce a new RX... 1 inch camera - we suspect a new sensor with Phase Detect AF and possibly with Live Tracking like that of the A6400 - so Canon is a generation behindAdd a comment
Tamron today has announced that they are going to release a new firmware update for Tamron 28-75mm f/2.8 Di II RXD Lens to fix the AF issue - some users have reported issues with AF although when AF works they say it is very fast and accurate but it seems that the lens can get lost and removing lens and re-mounting will fix the issue.
We can say this is something we experienced with the Tamron 18-200mm F3.5-5.6 for Sony E mount some years back.Add a comment
Tamron claims it is on par with the Sony FE GM 24-70mm F2.8 -
Shipping is expected late April or early May 2018Add a comment