Are eye af and af tracking better on RF lenses than EF?

Started 5 months ago | Discussions thread
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diness Veteran Member • Posts: 3,558
Are eye af and af tracking better on RF lenses than EF?
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So I switched to the Eos R from the Sony A7iii mostly for the colors and ergonomics.  I still love those but I am getting more annoyed with the AF tracking and Eye af of the R.  I knew it wouldn’t be quite at the Sony level, but I feel like it’s further off than I expected.  I have the RF 35mm f1.8, the Sigma 35mm art and the Canon EF 135mm f2.  I notice focus tracking issues the most on the 135mm.  Would an RF lens like the 85mm or 24-105mm or 70-200 likely be better at tracking and eye Af than my 135mm f2 adapted?

 diness's gear list:diness's gear list
Canon EOS R Canon EF 135mm F2L USM Canon RF 35mm F1.8 IS STM Macro Canon RF 24-105mm F4L IS USM
Sony a7
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