A Power Lens is a held item that gives extra Special Attack EVs when the holder participates in battle.
Obtaining
Crafting
Cyan Mint Leaf
Magenta Concrete
Diamond
Magenta Concrete
Magenta Concrete
Diamond
Magenta Concrete
Cyan Mint Leaf
Usage
A Power Lens gives 8 Special Attack EVs in addition the base EV yield of the Pokémon defeated, while halving the Speed stat of the holder.
A Power Lens will guarantee the passing down of the holder's Special Attack IVs to the child when bred. If both parents hold a Power Bracer, one parent will be chosen randomly to pass down its Special Attack IV. (not available as of Cobblemon 1.4.0)