COMPABILITY Niceyrig cage 267 is especially designed for Canon 5Ds 5D Mark IV III II to protect your camera body without obstructing any buttons and dials. Still, you are able to access not only the battery compartment but even the SD card slot ! MULTI MOUNTING POINTS Plenty of 1/4 -20 and 3/8 -16 threaded holes and cold shoe on the top to allow kinds of accessories like top handle, microphone or articulating magic arm mounted on the cage QUICK SWITCH Built-in QR plates for Arca Swiss on the bottom and left side, you can quickly achieve attach and release, which allows you transfer tripod to handheld shooting in a seconds SUPPORT NATO ACCESSORIES Features NATO rail on the right side that enable you to mount quick release accessories with NATO clamp, such as Niceyrig side handle 268 for hand-held shooting SOLID QUALITY Made of aluminum alloy, sturdy and lightweight.