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Why does changing flash settings on my Speedlite transmitter not instantly show on the remote Speedlite?
Amanda Fielden, Wolverhampton
BRIAN SAYS… This is a common confusion, and has been noticed more frequently since some independent brands have adopted an alternative method in which the setting on the transmitter is instantly reflected on the remote flash. Canon’s wireless flash system sends the required settings for mode, power and sync just before the photo is captured. It is also sent when the test button is pressed on the transmitter. This is because the system is designed for the possibility of multiple photographers with transmitters, or sender units, working with the same remote flashes. Since the system works the same for optical and radio wireless triggering, it means that when changes are made on the sender, there’s no need for an optical signal from the on-camera sender to flash each time a change is made.
I have an EOS R6 that won’t track a bird in flight when I use the expand AF area AF method – what am I doing wrong?
Bobby Kilner, Lincoln
BRIAN SAYS… The EOS R6 and EOS R5 only do subject tracking when the AF method is Face and tracking or one of the three Zone AF options. All the other AF methods perform similar to a DSLR, which doesn’t do subject identification and detection. If you set the camera to Zone AF, it identifies the bird if it is within the boundary of the zone, and tracks it inside the zone. If the bird moves outside the zone boundary, the camera can’t track it, and you need to reposition the zone over the bird. With Face Detection and tracking, the camera detects and follows the bird across almost the whole of the frame. Additionally, if Eye Detection is enabled, the camera tries to identify and track the subject’s eye.
The EOS RP tracks faces, but you must use the correct AF area, Face Detection and tracking, or Zone AF for this to work. Eye Detection only works when Face Detection and tracking is selected; one-point AF and AF with expansion settings are not so intelligent and don’t identify a face or move the AF point position to track it.
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