Made of black anodized aluminium the LMA-M42_4/3 lens mount adapter allows the use of M42 (Zeiss, Pentax, Praktica, Mamiya and Zenit) lenses on Four Thirds system camera such as Panasonic Lumix DMC-L1, DMC-L10, Leica Digilux 3, Olympus E-450,  E-620, E-30, E-520, E-3, E-510, E-410, E-400, E-300, E-330, E-500, E-1 etc..With the adapter your Four Thirds camera will no longer limit to one lens but a variety of M42 lenses for great picture quality and more fun. The adapter is manual and camera modes which control exposure by automatically adjusting aperture are not available. Focusing can be infinity.