a cheap ($60) body cap-sized fixed aperture lens designed to be a fun Lomography-style walk-around point and shoot pocketable kit for Micro Four Thirds system
quite sharp in the centre but never sharp towards the edges
no AF but there is a lever that allows setting manual focus although the substantial depth of field (DOF) means this is really only needed for close up work
specs
15mm focal length = 30mm in 35mm terms
fixed f/8 aperture
3 elements
no AF
sliding manual focus lever with settings at infinity, hyperfocal distance (allows DOF from 1m to infinity), and close up control down to 30cm