I plan to replace existing T5442T-ZE with Color4K-X in 6mm, but I'm not sure if FOV will meet my needs.
I read a good thread from Alaska Country (Color 4K-X-6MM vs Color 4K-X-3.6MM (HFW5849T1-ASE-LED) Side by Side Test Images), comparing 4K-X in 3.6mm and 6mm.
Also one good thread comparing...