Originally Posted by kzphoto
I think it's somewhere like 66mm? It covers a 6x7 frame which would measure 56x65 millimeters. Not sure tho.
You are correct. Thank you for the very quick response.
I was mistaken to believe the panoramic images were 72x24mm, while in reality, they are 65x24mm.
Another mystery solved for me XD ... 66mm minimum image diameter it is.