focus issue after firmware update for A9?

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ContaxRTSII Regular Member • Posts: 257
focus issue after firmware update for A9?

For some reasons, I found the focus is always off when shooting at backlight situation. This is especially obvious on A9 than A7R3.
It is even more obvious when using face priority AF on than off (maybe I was shooting a still subject instead of something with a face or eyes?).

During the process of this test, I also found out when the backlight situation is getting less strong contrasted (the sun less bright), the focus starts to come back and works as expected.

I have to admit that I probably never tested the backlight focus under such a strong contrasted situation between the background and the subject.
Like to hear you folks experiences. I'm not even sure if this is firmware issue of it is existing issue...

 ContaxRTSII's gear list:ContaxRTSII's gear list
Sony RX100 Sony RX100 VI Nikon D3S Nikon D500 Sony a9 +21 more
Sony a9
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