Great stuff all the way down ... to here.
Now how to make an interesting focus test when it's thrashing down outside with an Atlantic gale? Not so easy, but it has to be done ... Well, at least it's music, so it's something to read. This is some of my preferred listening.
Aldis-Plano Anastigmat 150/6.8, wide open in both shots, at full extension, 300mm. First straight on, the second with swings on front and rear. Era 100 4x5 with a yellow filter, in Rodinal.