Amazon offers preorders of the Olympus MMF-3 4/3 Adapter, model no. V3230500W000, for $110.08. This $50 mail-in rebate cuts it to $60.08. With free shipping, that's the lowest total price we could find by $50. Sales tax is added where applicable. This dust- and splash-proof lens mount adapter enables you to mount any existing four thirds lens on a micro four-thirds standard-compliant digital camera. Rebate expires January 27.

Note that an estimated ship date is not provided.