Olympus just announced the Olympus 12-200mm f/3.5-6.3 and it’s quite compact compared to the older Olympus M.Zuiko Digital ED 12-100mm f/4 IS PRO superzoom. You can manipulate the lenses above here.
Olympus M.Zuiko Digital ED 12-100mm f/4 IS PRO: B&H Photo / Amazon / Adorama
Olympus 12-200mm f/3.5-6.3: B&H Photo