Summary: I am using this with a amount to emount adaptor, so am relying on manual focus more than usual for me. The manual focus is excellent (not too loose) and the lens quality also excellent. Look for a refurb (I did). And note - there is a new version, marked with II.
Excerpt: I love nature photography and this lens is a wonderful addition to my kit. The SSM technology is really great. I have the Sony a77ii with APS-C sensor, so I have a little longer reach when I am fully zoomed in to my subject.
Pros: Consistent Output, Durable, Easily Interchangeable, Fast / accurate auto-focus, Lightweight, Strong Construction
Excerpt: Had to return due to a peace being loose. But I did get to take a couple pictures with it & they looked great. A little soft at full zoom & was a bit heaver them my Tamron 18-270. But over all could be a bit better for the price.
Excerpt: For the first two years of use, this was a great lens. Then, on vacation, or simply decided to stop autofocusing past about 20 feet. Other lenses work fine on my body do I know it's the lens. This is totally unacceptable for a lens with no scratches or damage.
Excerpt: it is fast to focus . im impressed with focus speed .in the day time. it dose not bounce around looking for focus. in low light it will hunt a little. when zoomed in on a spider and its web.but it will focus sharp on it with out tripod . it is not a low light lens .
Pros: Consistent Output, Durable, Easily Interchangeable, Fast / accurate auto-focus, Nice Bokeh, Rugged, Strong Construction
Excerpt: First of all this a very well made lens. It is part of Sony's "G" series and worth the extra price. Quality feel, quick focusing. It is very sharp and I've gotten some great pictures with it. But it is also surprisingly light weight.
Excerpt: I use this lens on a sony nex 6 and it has given me the ability to really zoom into nature. Putting this lens on my camera gives me about a 450 zoom capacity. The pictures are sharp even when I am holding the camera and the weight is still incredibly light.
Pros: Consistent Output, Easily Interchangeable, Fast / accurate auto-focus, Lightweight