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Nikon Z9 Issue—Aperture Setting Gets Smaller While Shooting

Posted: Mon May 01, 2023 9:07 am
by photoman4343
I use my Z9, D500and D850 the same way. I set Aperture Priority, Auto ISO and set the minimum shutter speed in Auto ISO.
 
My problem is that with the Z9, with the Nikon Z  mount 100-400mm S lens attached,  I found that the aperture I selected sometimes changed.  If I set f5.6, it sometimes goes to f16 and smaller. I thought maybe my finger was inadvertently changing the aperture by turning the front command dial. But that does not happen with my D500 and D850.

I did not think I have set anything on the lens or the camera that could be causing this. But after checking lens settings in Custom Settings f2, I discovered that Lens Control Ring was set to Aperture. I changed that setting to Off.  And that seems to have resolved the issue. 

If you own and use Z mount tele lenses you might want to check all of the lens settings and make sure they are what you want.

Re: Nikon Z9 Issue—Aperture Setting Gets Smaller While Shooting

Posted: Mon May 01, 2023 10:42 am
by david fletcher
Thanks for the info Joe. (Only came across that once, but have chosen to leave the setting to on, as it's quite handy. Just a reminder to watch what I'm doing with the hands..LOL).. The 400 4.5 and 800 6.3 have the lens ring moved further up the barrel whereas the 24-70 F4 is closer.