Olympus lenses and objectives do not have to prove themselves in terms of quality.
I bought it at the airport before leaving on vacation, a special box with 2 batteries, charger, covers and other straps. The driver and soft mounting pan mode. Plus a 1 GB memory card
I recently purchased the Olympus underwater housing for shooting underwater, it is a bit expensive but it can go down to 40 m. However, I would never go to that depth.
I plan to test it anyway this summer on my various vacation spots.