OM System M.Zuiko Digital ED 40-150mm F4.0 PRO

Since splitting off from Olympus and becoming an independent entity, OM Digital Solutions (OMDS) has shown no sign of slowing down its release rate of new cameras and lenses. The M.Zuiko Digital ED 40-150mm F4.0 PRO is its second all-new optic under the OM System brand. It’s a compact, weather-sealed telephoto zoom that employs a space-saving retractable design and promises premium optics. With a zoom range equivalent to 80-300mm on full-frame, it’s designed for use with Olympus and OM System cameras but can also be used on Panasonic Lumix G-series bodies.

OMDS says the lens is, in effect, a scaled-down version of the Olympus M.Zuiko Digital ED 40-150mm F2.8 PRO. This is likely to be a good thing, given that the f/2.8 optic gives excellent image quality. However,