This is the second part of a series talk on symplectic duality. Symplectic duality is a duality between a pair of symplectic resolutions where a measurement on one resolution matches with another measurement on its dual resolution. We introduce the notion of symplectic resolution and some interesting properties they enjoy. Next, we explain the idea of symplectic duality, i.e., what do we expect for symplectic dual pairs. Finally, we confirm some of the expectations with a concrete example, namely the duality between the Springer resolution of nilpotent orbit closure and the resolution of A type Kleinian singularity.