Blackmagic Design has released the Blackmagic Camera 8.1.1 firmware update. This update is now downloadable from the company website .
The update adds support for electronic zoom control for more lenses when using Blackmagic Studio Camera 4K and 6K models. This means camera operators can now control the zoom from the Blackmagic Zoom Demand or ATEM switcher with a wider range of EF servo lenses.
Also added to this update is the ability to capture stills with the Blackmagic Zoom Demand function button when using Blackmagic Studio Camera 4K and 6K Pro models.