Unlike DSLRs, the Blackmagic Pocket Cinema Camera uses a micro four thirds system that requires special lenses. Find out how micro four thirds is different – and how you can still use the BMPCC with your existing DSLR lenses.
Source: Lens Options for the Blackmagic Pocket Cinema Camera – The Beat: A Blog by PremiumBeat
Moving Image Blog - Enrique Munoz Jimenez 