I just received this lens today. This is a full frame lens that I am testing with the Sony A6000. I've done all sorts of tests with it, made prints with no post-processing or adjustments to review, and I can honestly say I think I've found my new favorite lens. This thing is tactful as it ranges from 70mm to 300mm. The ease of use is great. Both autofocus and manual modes are simple and accurate. It's a bit heavy and doesn't have a tripod mount, but feels good in the hand. The anti-shock function works as promised. Due to the weight, there is a small discrete lock on the frame to prevent the lens from slipping. I'm concerned that the locking switch might be a bit tricky to operate in the cold with gloves on. We will see. Performance is excellent in low light. Overall I am very happy with my purchase so far. I am very happy with the amazing equipment that Sony makes available to photographers. I have worked as a military photographer, civil photographer and studio photographer with Canon, Nikon, Olympus and Mamiya. Now retired I shoot for my own pleasure and love what Sony has to offer.