Olympus Zuiko Digital 25mm 1: 2.8 Pancake lens (Four Thirds, 43 mm filter thread) (Accessories)
I have not bought my 25mm f2.8 primarily because of the design as a pancake, but because I was looking for a good strong light fixed focal length for my E-510. Unfortunately, the market what Four Thirds is not regards as so tightly fitted like other