The image from this lens is accurate, open and the quality here is top notch. Like all my gear, this has been used but carefully treated. However, thinking - the also included - adapter would work on my blackmagic camera, I find it doesn’t, so i have no use for it, but it works well with Panasonics like the s5 as well as the Sr1. Auto focus works well with the included Sigma mc-21 in photography mode, but as far as I know, they do not track subjects in video - but as I don’t have either camera to check, i cannot confirm. There are a couple of tiny paint losses on the barrel next to the Sigma logo, (very hard to see) but overall, the lens is in super condition. Focus moves smoothly in manual and everything works fine. I don’t accept returns as this is sold for a genuine buyer, and not someone who wants to borrow for a shoot. You can shoot in both native sigma or L mount so you’re getting two mounts here. It’s a great price for both items. No box, but it will be packaged securely and a lens bag is included, front and back caps and lens hood. Any questions, please ask.