a6300 won’t go wide open in shutter priority

Started 6 months ago | Discussions thread
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Bluerio Regular Member • Posts: 294
a6300 won’t go wide open in shutter priority

I’ve a strange behaviour from my a6300 and sigma 35mm art mounted through an MC-11 adapter.

When in shutter priority the aperture goes down till f/2 and then starts to bump up the iso instead of going to f/1.4. Has anyone notice that or any setting I am missing?

In manual or AV no problem.

 Bluerio's gear list:Bluerio's gear list
Sony a6300 Sony a7R III Canon EF 70-200mm F4L IS USM Sony E 10-18mm F4 OSS Sony E 35mm F1.8 OSS +9 more
Canon PowerShot A630 Sony a6300
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