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SL2 / 200D focus confirm for manual lenses

Started Apr 18, 2018 | Questions thread
WilbaW
WilbaW Forum Pro • Posts: 11,643
Re: SL2 / 200D focus confirm for manual lenses

ThrillaMozilla wrote:

WilbaW wrote:

...experiments like the Squirrel Test (Busted! The Myth of Open-loop Phase-detection Autofocus) prove beyond any doubt that focus can only be confirmed in One-Shot with a half-press of the shutter button when an AF sensor sees an in-focus subject.

Yes, what I described was in essence the Squirrel Test. The SL1 does not use an open loop, at least under the conditions I tested.

Yeah, you only get open-loop with a full-press of the shutter button on a subject that is just  out of focus.

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