90mm lens equivalent to a 35mm (or full frame) SLR. A nice addition to Olympus 17mm and 25mm fixed lenses. PROSL lenses are very sharp (I think they are sharper than 25mm and much sharper than 17mm) and the autofocus is quiet and very fast, even in fairly dark conditions (on Olympus). housing ELP5 and ELP7). Great for portraits as others have noted. The bokeh is soft and round (see image) and the details are very sharp even with the aperture wide open. Slight edge softness BUT only at F1.8 and F2.8 is this lens extremely sharp across the field. Good contrast, color rendition and glare are well controlled (the two photos included were taken in the sun). It's a small lens that's easy to carry around with a few other primes when you're not zooming. The minimum focusing distance is about 19.5 inches. The focus ring is smooth and easy to use in manual focus mode. The lens mount is metal, unlike cheaper kit lenses. 2 years and everything works fine, so maybe the plastic is enough.
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