Sony PMW-300K1 Operating Instructions Manual page 24

To detach the viewfinder mirror
1
Push the clip on the bottom to release.
2
Flip up the viewfinder mirror.
3
Slide the knob on the top to the opposite
side of the viewfinder mirror.
4
Detach the viewfinder mirror by
horizontally sliding it.
24 Adjusting the Viewfinder
Opening/detaching the eyepiece
You can directly view the LCD screen inside the
viewfinder by opening the eyepiece.
To open
Push the clip on the bottom to release and flip up
the eyepiece.
It locks at the 120-degree position.
2
1