For a lens for 99.00 to be this sharp I never would have thought and I took some shots in contrasty skies of tree branches have not noticed any purple fringing which is always good but it wont win any awards for build quality but it's no worse then Nikon kit lenses.The zoom is a bit stiff and feels a little gritty but nothing that bothers me and its def worth every penny and more. When i look at the size of the lens it looked like a toy i had to laugh but after seeing the color and sharpness safe to say its not a toy but its still looks like one but guess I am use to the bigger lenses on the DSLR like my Nikon AF-S 300 prime f/4. The Olympus probably almost fit in the lens hood of the nikon.LOL