Here's the mystery..
The Dahua IPC-EB5400-T 4 Megapixel Fisheye camera has the following resolutions:
4M(2592x1520)/3M(2048x1520)/UXGA(1600x1200)/1.3M(1280x960)/720P(1280x720)/D1/CIF
However, the Dahua NVR 4204-P with resolution range of 5Mp/3Mp/1080p/etc. can't even view it at 3Mp but only...