'Ultimately the K-S1 is a very capable camera that, ironically, is let down by some of the very aspects intended to make it stand out. '
'The K-S1 is also noticeably heavier, which exacerbates my difficulties holding it comfortably, but if you have small hands, you may actually prefer the size of the K-S1.'
'Images become distinctly scrappy at the highest ISOs.'
'For those looking for an ultra small compact system camera, the Pentax QS-1 is a reasonable option, especially if you've got some kind of affinity to the Pentax brand. '
It's the world's smallest compact system camera, but is that enough?