With the UAP-1 the camera can be quickly moved from a traditional ARRI cine-style bridge plate (including BP-3, 5, 8 or 9) to a Steadicam dove tail plate. It attaches to the front and back foot of ALEXA, ALEXA Plus, ALEXA Plus 4:3 or ALEXA M body with a tight and secure fit. Additionally, it is also used to attach the ALEXA M Body to the ALEXA M D-Bracket. The UAP-1 fulfills all the tasks of the BPA-2, however it does obscure the shoulder cut out of the camera and is slightly heavier than the BPA-2. The UAP-1 is not compatible with ALEXA Studio.