The Panasonic Lumix DMC-G1 was the first digital mirrorless interchangeable-lens camera (MILC) adhering to the Micro Four Thirds system design standard.

The G1 camera is similar to the larger Four Thirds system format DSLR cameras, but replaces the complex optical path needed for the optical viewfinder with an electronic viewfinder EVF displaying a live view image directly from the sensor.

It uses a sophisticated projection system[2] to achieve a clearer, smoother image in its electronic viewfinder than in compact camera EVFs.

Upon introduction the United States, MSRP for body and kit lens was set at USD 800.00[3] The G1's successor model is the Panasonic Lumix DMC-G2 which was announced in March 2010.

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