Is the AF-S issue with Sigma 16mm 1.4 Sony fixednow?

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Jefftan Senior Member • Posts: 2,699
Is the AF-S issue with Sigma 16mm 1.4 Sony fixednow?

the thread is 7 months ago, is it fixed now or not?


As we already know, the Sigma DN lenses have some focus problem at f/2.X on Sony APS-C bodies. See e.g.:

I tested the AF-S at infinity focus with different setting, as I experienced some differences (Using EVF vs. display, PAL vs. NTSC).

I took four images at every aperture and setting (EVF vs. display, PAL vs. NTSC) - manual focused, AF-C focused, 1. image AF-S focused, 2. image AF-S focused to simulate refocusing. Sony A6300, tripod, small flexible spot placed somewhere on the horizon.

The samples can be downloaded here (Lightroom 5.7, standard setting):


Don't use AF-S with this lens at all !!!

The focus problem at f/2.8 while using the EVF was easily repeatable. Refocusing doesn't help or makes it even worse.

Sony a6300
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