F mount Sigma lens on Zf problem - solved :)

phinix

phinix

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I just bought Sigma F mount 105mm 2.8 Macro lens and mounted it on my Zf with FTZii.
For some reason I cannot get 2.8 aperture. Its like stuck on max 5.6
Is there some kind of setting that I need to switch for that to work?
 
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phinix said:
I just bought Sigma F mount 105mm 2.8 Macro lens and mounted it on my Zf with FTZii.
For some reason I cannot get 2.8 aperture. Its like stuck on 5.6
Is there some kind of setting that I need to switch for that to work?
Click to expand...
Might need a sigma upgrade. Contact them and ask. I know that some lenses need help to work in the Z mount.
 
trevorbray said:
Might need a sigma upgrade. Contact them and ask. I know that some lenses need help to work in the Z mount.
Click to expand...
I bought it from mpb. I'll look into how update firmware myself. Maybe can be done via camera.
 
Guys, thank you so much, I knew I can find answers here :)
You are absolutely right, 2.8 is achieved with certain distance.
So that means 1:1 macro cannot be done with 2.8 - which makes sense, even f16 has seriously shallow dof.
 
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