universal. Suitable for many camera systems, making it a versatile setting to use when purchasing a new camera system. It goes with everything I own from Sony mirrorless systems to the Nikon D750. Excellent build quality. handle well; However, there is little movement with it unless you tighten it very well. There's no Arca Swiss mount on the underside, so you can buy one for a quick release. Small mount cages because of their versatility and because they allow full access to the camera grip so you don't have to buy a wooden grip for the right side of the rig. Bottom Line: If you want one size fits all, buy this because it's consistent and future-proof.