Olympus Europe has started a new up to 150 Euro cashback on lenses
You can find the info at Olympus Germany, Olympus France, Olympus Italy, Olympus Spain, Olympus UK, Olympus Netherland.
Reminder: You get the Olympus 45mm f/1.2 lens for 832 Euro (682 Euro after 150 Euro cashback) at Amazon Germany (Click here).