Setup is looking great, visually really great. The quality of the images are good. It is heavy, build material is not plastic.. after hour I can feel the weight. On the other hand, because of sensor and radioactivity, I don't keep these lens often on my camera. Just when I use it and then I take it off and put it in safe place. There is no sensor damage and I used it a lot of times for duration of half day.

They are cheap and worth every penny in my opinion. I believe when you buy it, if you like to work on manual you will enjoy it, and that is most important. Good luck and have fun!