An unusual Olympus MFT kit zoom with an uncommon focal range — likely a regional or early variant.
The Olympus M.Zuiko Digital ED 17.5-45mm f/3.5-5.6 is an uncommon Micro Four Thirds kit zoom with an unusual focal length range. Covering a 35-90mm equivalent, it sits between a standard and short telephoto zoom. This appears to be an early or regional variant of Olympus's entry-level MFT zoom offerings, predating the widely known 14-42mm kits.
Optical performance is typical of entry-level kit zooms. Centre sharpness is acceptable, improving when stopped down. Corner performance is adequate for casual use. The variable aperture limits low-light shooting. The ED element helps control chromatic aberration. Autofocus is functional for stills and basic video work.
Micro Four Thirds mount. Filter thread is likely 37mm or 40.5mm given the compact design. Weight is approximately 150 grams — very light. Build quality is basic plastic, consistent with entry-level kit lenses. No weather sealing. The unusual 17.5mm starting point means it lacks the wide-angle coverage of the more common 14-42mm kit lens.
Uncommon on the used market and of limited interest to most MFT shooters. The 14-42mm series is far more versatile with its wider starting point. Only worth considering if found very cheaply. Check for smooth zoom operation. The Olympus 14-42mm EZ pancake or 12-45mm f/4 PRO are far better choices for MFT shooters.