The Lumix G 1.7 / 20 mm pancake lens with its slightly wide-angle fixed focal length is characterized by a particularly compact, flat design and low weight, despite its high light intensity. Its elaborate optical construction consists of 7 lenses in 5 groups, including 2 aspheric elements. They ensure minimal distortion and color aberrations as well as a consistently high level of sharpness right down to the corners of the picture. Its characteristic features make the 1.7 / 20 mm versatile. The 20 mm focal length corresponds to 40 mm in the KB format and is suitable with its light wide-angle character for snapshots, for landscape and interior shots. The high light intensity of f / 1.7 extends the range of use under low light conditions and extends the possibilities of creative handling of the depth of field.