for A7M3 A7R3 A9 with 1/4 & 3/8

alloy and CNC precision machining camera video cage, replacement for A7M3/ A7R3/ A9 mirrorless camera.; 1/4 inch mounting screw and rubber pads on base plate, cage will your camera very well.;-mounts design, with 1/4 inch & 3/8 inch screw holes, positioning holes and cold shoe mount for installing , microphone, LED light, handle, etc.;38mm international standard bottom base design allows you to install camera cage to 38mm QR plate of tripod head immediately.; video cage would not block any buttons on camera, and you are able to access not only battery but even memory card slot.