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Do I have a defective 56mm f1.2 R WR (Version II)?

Started 6 months ago | Discussions thread
fcracer Senior Member • Posts: 1,632
Re: Do I have a defective 56mm f1.2 R WR (Version II)?

fcracer wrote:

I’ve been holding off posting first impressions of this lens on my website for the very reason you note. On my X-T4, there seems to be a focusing algorithm issue. Even with eye AF, it pulses and will lock when the eye is clearly not in focus. In comparison, my F1 lens, which has even slower AF than the new F1.2, does not show this behaviour. I think a firmware update is required, as the lens otherwise works fine in AF-S and MF modes.

I just want to put another data point out there. With my new X-T5, the pulsing behaviour does not exist which indicates this is a firmware issue between the X-T4 and the new 56. The 56 lens works as expected on the X-T5.

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