I really loved shooting with this because of how wide angle it is. a bit of distortion round the edges but great for when you are in the corner table of a restaurant and you are squeezed in the corner you can still shoot everything in the picture. i like the aperture. 2.8 so it has great low light performance.
i would like it to be smaller so that it could fit in my pocket easier. i don't like looking like a tourist so i hide it in my pocket.