... ” or “ F ” positions. ... , as a wireless E -TTL receiver ... It’s bounce flash as it always has been, prior to the introduction of this innovative Speedlite and its available automated bounce flash, at the “ F ” and “S” positions of its Bounce Mode Switch. ... P.Fn 04 — AF- assist beam method ... This Personal Function controls which type of focus- assist beam will be used, when it’s mounted directly on an EOS camera, and One-Shot AF is active on the camera.
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