There is certainly something wrong with that camera. I have all three focal lengths of 4K-X (2.8, 3.6, and 6mm) and the 6mm is my favorite. Sharpest camera of all the cameras that I have installed at my home: 5442T-ZE, T5449H-ASE-D2, N55DU82, B54IR-S3, Color4M-T, HFW5241E-Z12E, 54IR-AS S3...