Auto iris "jumps" or "bounces"

[wildhorsesfilm]

Is any one else experiencing a video "bounce" of the exposure? My Vision 2+ darkens unexpectedly even though virtually nothing in the scene changes.

 

[nintendrone64]

Is any one else experiencing a video "bounce" of the exposure? My Vision 2+ darkens unexpectedly even though virtually nothing in the scene changes.

They're cheap and sensitive, just be aware of the direction you're facing/your lighting.