Microdisplacement problem

 Hi friends im haveing a problem with microdisplacement.![Height|500x500](upload://eXYTYgYH7uHDRlmFkjVyiHqZpRW.jpeg) its tilted.it supposed to be displace on z axis.anyone know how to fix this.

Thank you

Now it is not grayscale, but vector displacement.
To use grayscale displacement use Displacement node

More info:
https://docs.blender.org/manual/en/latest/render/cycles/materials/displacement.html

thankyou for the reply Zuorion.