A bit of a test today. The 645Z with the 55mm f2.8 manual focus Pentax-A using the barrel engravings and my best guess at distance. Manual mode, iso 400, f5.6, 5 second exposures and a R72 (720nm infrared filter). Adobe's profile editor refused to allow me to make a camera profile, so I created one in Lr and saved it as a preset. Generally, I am mostly interested in grayscale IR