justaCanonuser
Grab your camera, go out and shoot!
You are correct, I had that footnote not correctly in my mind, thank you. But I did frequently experience focusing problems in certain light conditions, in particular with overcast skies, less with blue skies, and with birds getting close enough to fill a substantial part of the image frame (usually I want to have a birds head really sharp, not other body parts). I found out that focusing improves much when I switch off eye recognition, this seems to irritate the AF system sometimes. Plus, with a long lens such as my EF 600mm it is really important to switch to 16m closest distance for typical BIF settings, because if the R7 misses the object, it tends to drive the focus to the closest distance. Then, the bird is potentially so blurred that it is no longer recognizable for the system and it completely loses any track of it. In fact, it would be great to have an additional option in which you could switch between the two directions the AF system can move when seeking an object: "infinity" or "closest distance".The R7 manual has a paragraph “Shooting Conditions That Make Focusing Difficult” that contains: “Subject with low-contrast such as the blue sky, solid-color flat surfaces or when highlight or shadow details are clipped” and “Extremely small subjects” that might apply, but that is not explicit about photographing birds in flight. Depending on the size of the bird in the image, one would expect the AF to focus on the bird.
See: https://cam.start.canon/en/C005/manual/html/UG-05_AF-Drive_0070.html
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