Here's another mystery. I need to make a 8x1m panorama of a streetscene, and need to do it in 2 frames/renders, second frame 45ยบ rotated. So I set up 4:1 render ratio, checked preview (looked okay), and rendered. But the outcome is quite different. Here's a simple testfile. If anyone can explain, I'd be much obliged. It probably has to do with vfov and hfov, and I have done something similar years ago with the huge museum file (85x3m) (also using PTGUI in some way, which provided me with pixelperfect fitting of frames), but can't figure out what I'm doing wrong.