Vello LAG-MFT-CEF User Manual page 8

APERTURE CONTROL (PANASONIC ONLY)
The aperture control toggle
allows you to quietly open
and close the aperture
without clicking a camera
dial or rotating a lens ring.
Since it minimizes camera
vibrations and noise, you can
use it to change aperture
during video recording.
8
Press the toggle towards
to close the aperture.
Press the toggle towards
to open the aperture.