Very big questions for your service guys. In a world where sales of cameras and optics are falling more and more and competition is getting tougher, you clearly need to rethink your relationship with the client. I contacted you online several times and in response, just silence Making changes to the review after a few more months of use. I can say for sure that it is much better than the Nikon 24-70 F 2,8 of both versions. And also better Canon 24-70 F2.8L and Sony 24-70 F2.8 GM There was an opportunity to compare in September with familiar photographers and videographers by conducting a small test