Quote:
Originally Posted by oneintheory
i know a guy who shoots with a 60D and the 85 1.4 and has an AF confirm chip. Seems weird that the 35 wouldn't have it and the 85 would.
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I'm pretty sure the chip is aftermarket. Folks on POTN are always linking to eBay sales for focus confirm chips for Canon. But Nikon version lenses (at least the 35mm) come with the chip already installed.