As others have said this is a great lens. It has a very useful zoom range, it's sharp and it's fun to shoot with. The constant F2.8 aperture is good, and I had no trouble shooting in fairly low light with this handheld. It looks well built, but it adds a noticeable amount to the camera's weight. It's not heavy, but it's not 25mm either. OIS works well and even better in combination with my GX8. Overall I am happy with the purchase of this lens and would recommend it.
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