Shocking insight: AF is not a closed feedback loop!

Started Jul 18, 2003 | Discussions thread
hyslopc Senior Member • Posts: 2,129
Actually, isn't AI-Servo just that?

Unless I've misunderstood, you couldn't make the AF a closed feedback loop and still support moving targets. Since many targets move, the AF would constantly be re-adjusting itself and would never "lock" - sound familiar? That's right, I've just described Canon's AI-Servo mode, which constantly and continuously re-focusses for as long as you half-press.

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