Olympus's budget telephoto for Four Thirds — another listing of the 40-150mm, same as ID 3500.
The Olympus Zuiko Digital ED 40-150mm f/4-5.6 is a telephoto zoom for the Olympus Four Thirds DSLR system — the ED (extra-low dispersion) variant. Compare with id 3500 (non-ED version). Olympus Four Thirds mount.
40-150mm focal length (80-300mm equivalent on 4/3 sensor). f/4-5.6 variable aperture. ED element. Olympus Four Thirds mount.
The Zuiko Digital ED 40-150mm adds an ED (Extra-low Dispersion) element over the base 40-150mm (id 3500) — improved chromatic aberration control at the telephoto end. The 80-300mm equivalent range covers sports and wildlife on the 2x crop Four Thirds sensor. Both 3500 and 3686 describe similar 40-150mm variants; verify ED vs non-ED from listing.
On the used market the Olympus Zuiko Digital ED 40-150mm is a Four Thirds telephoto zoom. Condition checks: zoom, ED element. Olympus Four Thirds mount — usable on MFT via adapter.