bought from revain and very happy with this lens. It works fine on my Sony A6000. This is manual focus, but I usually set the focus to infinity and shoot. I'm a casual hobbyist and I just love the image quality. There is some distortion with a lens this wide but I like it and if not I can fix it in the post. Great for landscape shots, but probably not for you if you want to shoot action scenes or sports. The build quality seems to be very good.
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