I can’t speak definitively for the 35/1.4, but on the 24-105/2.8 the aperture ring is not mechanically coupled.But I imagine the aperture ring on the 35/1.4 VCM isn't mechanically coupled - it's probably fly-by-wire, right?
The advantage is that the aperture ring is clickless and silent (without having to pay Canon separately to modify the control ring).Even for video, why not just map a control ring for aperture control?
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