I bought this lens for my Lumix GF1. This makes the camera even more fun. The lens is sharp crack. With this combination the Blitzerei in rooms is almost superfluous. When the focal length you forget quickly that it even gives more glasses for the GF1. I also have the two pieces 14-45 and 45-200 (I use very rarely). But the 20s look, I have most in use. I can well imagine that the "Pancake" ennobles the G1 / Gh1. I would strongly recommend this 20s.
