PLEASE READ IMPORTANT INFO
To users of the sigma 150-600 lenses that are updated via the usb hub the latest update messes up the focus if you use dynamic o.s
.I was wondering why I was getting so many OOF shots since the update .. checked it properly yesterday and literally watched the focus points dashing around the frame in burst mode . I have now changed to moderate view mode and its really stable again . sigma are denying there's a problem so be warned
this is taken with moderate view mode.
i.e if you aim at the eye of the bird as in this pic in single point a/f using dynamic mode keep your finger half depressed on the shutter button and you literally see the focus point is moving around the birds head , obviously works better with a static subject , change it back to moderate view o.s and the focus point stays locked on target . IMHO they have made dynamic over sensitive.
it has literally messed with my head for the last few weeks as I thought it was either me or the camera settings ..