>>4122816no lag, better battery life, seeing real world vs pixels on a screen
offset ovf's make it easy to preview framing at different focal lengths, no blackout, everything appears in focus, can see outside the frame for easier timing / framing
i still prefer evf's over traditional ovf's though, but offset ovf's at least offer some unique advantages
they all have pros & cons, and everyone's gonna prioritize their own preferences differently