Attaches to the bottom of the front foot of ALEXA, ALEXA Plus, ALEXA Plus 4:3, ALEXA M body, ALEXA XT, ALEXA XT M body, ALEXA XT Plus. ALEXA SXT EV, ALEXA SXT Plus, ALEXA SXT W or ALEXA LF. With the WA-1 attached, the camera can be attached to ARRI, SONY or Panasonic video-style quick release plates. Not compatible with ALEXA Studio, ALEXA XT Studio and ALEXA SXT Studio.