Sigma DG + Nikon D3300 focus problem
In Manual it should fire a shot regardless of anything, even if you don't attach lens at all.
It might be that lens needs a firmware update to work correctly in other than Manual modes with newer D3300 camera.
|Brussels' lights by Litho|
from Your City - Queue
|Oil, water & paint by timbazi|
|1939 Ford Coupe by WordyDave|
from Car Shows 2018