A350 OVF Test shooting at Continuous Mode 2.5fps
The video is shoot at 720p 60fps, each frame is 0.01666sec.
Shooting at 2.5fps (0.4sec between each shoot.)
The OVF totally black out for 6frames = 1/60x6=0.1sec
The OVF transition (half black) for 2 frames = 1/60x2=0.033sec
The OVF display live image for frames = 1/60x17=0.2833sec