I had a commercial website take one of my photos off the internet and was using it for their business.
I just contacted them and told them that they had 24 hours to take it down. The owner sent me a arrogant email saying this and that. but he KNEW he had done the dirty. He took the image down. I just let it go at that.
5D Mark III, Canon 15mm f/2.8 Fisheye, Canon 17mm f/4L TS-E, Canon 16-35mm f/4L IS, 21mm f/2.8 Zeiss, Sigma 35mm f/1.4, 24-70mm f/2.8 II, 50mm f/1.4 Sigma Art, 85mm f/1.2L, 100mm f/2.8L Macro,70-200mm f/2.8L IS II...1.4x converter III, and some other stuff.....