AG-YA500G

Camera Studio System – Viewfinder Interface Box
Features:

Displays return images in the viewfinder and supports the tally.
Supported viewfinders: AJ-CVF100G, AJ-HVF21G, AJ-VF20WB, AJ-VF15B, AG-VF11G (discontinued model)
The AG-YA500G VF Interface Box cannot be used with the AG-HPX300 series. The applicable viewfinder varies depending on the camera.