This is the Olympus M.Zuiko Digital ED 14-42mm f/3.5-5.6 II R Micro Four Thirds lens:
Being a m4/3 lens, the equivalent zoom range in 35mm terms is 28-84mm.
Sample photos
Official, full-resolution samples at Olympus Asia, taken with the Olympus E-P3.
Full review, in Japanese, of the E-PM1 at Impress. Tons of full-sized photos, taken with the Olympus E-PM1 camera, for you to evaluate image quality with.
Accessories and add-ons
The filter thread size on the 14-42 II R is 37mm, which means you’ll want to be looking at purchasing 37mm filters.
Resources
Official Olympus M.ZUIKO 14-42mm II R page at Olympus America.
Related
Olympus lenses — Main page